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Forensic psychology is the development and application of scientific knowledge and methods to help answer legal questions arising in criminal, civil, contractual, or other judicial proceedings. Forensic psychology includes both research on various psychology-law topics, such as jury selection, reducing systemic racism in criminal law, and
eyewitness testimony Eyewitness testimony is the account a bystander or victim gives in the courtroom, describing what that person observed that occurred during the specific incident under investigation. Ideally this recollection of events is detailed; however, this is ...
, as well as professional practice, such as evaluating individuals to determine competency to stand trial or assessing military veterans for service-connected disability compensation. The field traces its roots to contributions by Wilhem Wundt, Hugo Münsterberg, and
Sigmund Freud Sigmund Freud ( , ; born Sigismund Schlomo Freud; 6 May 1856 – 23 September 1939) was an Austrian neurologist and the founder of psychoanalysis, a clinical method for evaluating and treating psychopathology, pathologies explained as originatin ...
among others. Contemporary definitions of forensic psychology recognize that several subfields of psychology apply "the scientific, technical, or specialized knowledge of psychology to the law." The American Psychological Association's ''Specialty Guidelines for Forensic Psychologists'' reference several psychology subdisciplines, such as
social Social organisms, including human(s), live collectively in interacting populations. This interaction is considered social whether they are aware of it or not, and whether the exchange is voluntary or not. Etymology The word "social" derives from ...
, clinical,
experimental An experiment is a procedure carried out to support or refute a hypothesis, or determine the efficacy or likelihood of something previously untried. Experiments provide insight into cause-and-effect by demonstrating what outcome occurs when a ...
, counseling, and
neuropsychology Neuropsychology is a branch of psychology concerned with how a person's cognition and behavior are related to the brain and the rest of the nervous system. Professionals in this branch of psychology often focus on how injuries or illnesses of t ...
.


History


Early Development of Forensic Psychology

Wilhelm Wundt is commonly known for being the first to begin experimentation in the field of
psychology Psychology is the scientific study of mind and behavior. Psychology includes the study of conscious and unconscious phenomena, including feelings and thoughts. It is an academic discipline of immense scope, crossing the boundaries betwe ...
and, thus, igniting the flame for future individuals to apply these experimental processes to various contexts, including legal ones. A student of Wundt and the first director of Harvard's psychological laboratory'','' Hugo Münsterberg, authored ''On the Witness Stand'' in the first decade of the 20th century. Münsterberg used this publication to bridge the gap between psychological and legal principles through the introduction of
psychological research Psychological research refers to research that psychologists conduct for systematic study and for analysis of the experiences and behaviors of individuals or groups. Their research can have educational, occupational and clinical application ...
that could be applied in legal proceedings.
Sigmund Freud Sigmund Freud ( , ; born Sigismund Schlomo Freud; 6 May 1856 – 23 September 1939) was an Austrian neurologist and the founder of psychoanalysis, a clinical method for evaluating and treating psychopathology, pathologies explained as originatin ...
discussed how psychopathological processes play a role in criminal behavior.
Lightner Witmer Lightner Witmer (June 28, 1867 – July 19, 1956) was an American psychologist. He introduced the term " clinical psychology" and is often credited with founding the field that it describes. Witmer created the world's first "psychological clinic" ...
, William Stern, and William Healy also contributed to the early development of forensic psychology.


Key Legal Cases


Brown v. Board of Education of Topeka (1954)

This was the first case where the Supreme Court of the U.S. referenced expert opinions by psychologists. After this, the addition of psychological mechanisms within court rooms began to be considered beneficial.


Jenkins v. United States (1962)

Several years after the ruling of Brown v. Board of Education of Topeka, Justice David Bazelon of the
D.C. Circuit Court of Appeals The United States Court of Appeals for the District of Columbia Circuit (in case citations, D.C. Cir.) is one of the thirteen United States Courts of Appeals. It has the smallest geographical jurisdiction of any of the U.S. federal appellate cou ...
ruled that psychologists had the legal authority to testify as medical experts about mental illness.


Establishment in psychological societies

The
American Psychology-Law Society American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, pe ...
(AP-LS) was created in 1969 and later converted into Division 41 of the APA in 1980. As the field continued to grow, more organizations supported the study of psychology with application to the law. In 1976 the American Board of Forensic Psychology (ABFP) was chartered and eventually became a part of the
American Board of Professional Psychology The American Board of Professional Psychology (ABPP) is the primary organization for specialty board certification in psychology. Mission statement "The mission of the American Board of Professional Psychology is to increase consumer protectio ...
(ABPP) in 1985. Later, organizations and conferences aided in solidifying the development of forensic psychology, such as the American Academy of Forensic Psychology and the National Invitational Conference on Education and Training in Forensic Psychology (1995). By 2001, the field of Forensic Psychology was recognized as a professional specialty by The American Psychological Association (APA).


Forensic psychology in popular culture

Recently, forensic psychology has grown in popularity in the media and among younger generations. For example, many recent docuseries on
Netflix Netflix, Inc. is an American subscription video on-demand over-the-top streaming service and production company based in Los Gatos, California. Founded in 1997 by Reed Hastings and Marc Randolph in Scotts Valley, California, it offers a fil ...
feature forensic psychological content, including
Making a Murderer ''Making a Murderer'' is an American true crime documentary television series written and directed by Laura Ricciardi and Moira Demos. The show tells the story of Steven Avery, a man from Manitowoc County, Wisconsin, who served 18 years in pri ...
and Sins of our Mother. Other TV shows and movies such as
Criminal Minds ''Criminal Minds'' is an American police procedural crime drama television series created and produced by Jeff Davis (writer), Jeff Davis. The series premiered on CBS on September 22, 2005, and originally concluded on February 19, 2020; it was r ...
, Manhunter, Mindhunter, and Silence of The Lambs have widely popularized the practice of criminal profiling, particularly within the
Federal Bureau of Investigation The Federal Bureau of Investigation (FBI) is the domestic intelligence and security service of the United States and its principal federal law enforcement agency. Operating under the jurisdiction of the United States Department of Justice, ...
's (FBI)
Behavioral Analysis Unit The Behavioral Analysis Unit (BAU) is a department of the Federal Bureau of Investigation's National Center for the Analysis of Violent Crime (NCAVC) that uses behavioral analysts to assist in criminal investigations. The mission of the NCAVC ...
(BAU). Despite the excitement given to the idea of a career in criminal profiling, students who show an interest in this particular aspect of forensic psychology find that the practice of criminal profiling is rarely used outside of the BAU. They also find that there are many forensic psychology practices outside criminal proceedings.


Training and education

Forensic psychology involves both elements of basic as well as applied work. Forensic psychologists may hold a
Ph.D. A Doctor of Philosophy (PhD, Ph.D., or DPhil; Latin: or ') is the most common degree at the highest academic level awarded following a course of study. PhDs are awarded for programs across the whole breadth of academic fields. Because it is ...
or Psy.D. in
clinical psychology Clinical psychology is an integration of social science, theory, and clinical knowledge for the purpose of understanding, preventing, and relieving psychologically based distress or dysfunction and to promote subjective well-being and persona ...
,
counseling psychology Counseling psychology is a psychological specialty that encompasses research and applied work in several broad domains: counseling process and outcome; supervision and training; career development and counseling; and prevention and health. ...
,
social psychology Social psychology is the scientific study of how thoughts, feelings, and behaviors are influenced by the real or imagined presence of other people or by social norms. Social psychologists typically explain human behavior as a result of the r ...
,
organizational psychology Industrial and organizational psychology (I-O psychology), an applied discipline within psychology, is the science of human behavior in the workplace. Depending on the country or region of the world, I-O psychology is also known as occupational ...
,
school psychology School psychology is a field that applies principles from educational psychology, developmental psychology, clinical psychology, community psychology, and behavior analysis to meet the learning and behavioral health needs of children and adol ...
, or experimental psychology under accredited institutions. Additionally, 2 years of supervised experience in their field is necessary. There are no specific license requirements in the United States to be a forensic psychologist, although U.S. states,
territories A territory is an area of land, sea, or space, particularly belonging or connected to a country, person, or animal. In international politics, a territory is usually either the total area from which a state may extract power resources or a ...
, and the
District of Columbia ) , image_skyline = , image_caption = Clockwise from top left: the Washington Monument and Lincoln Memorial on the National Mall, United States Capitol, Logan Circle, Jefferson Memorial, White House, Adams Morgan, ...
require licensure for psychologists in the state they intend to practice. Certification specifically in forensic psychology is also available. Psychologists who do not provide healthcare services might not need to be licensed in some U.S. jurisdictions. In other countries, training and practitioner requirements may vary. In the United Kingdom, for example, a person must obtain the Graduate Basis for Registration with the British Psychological Society – normally through an undergraduate degree. This would be followed by Stages 1 (academic) and 2 (supervised practice) of the Diploma in Forensic Psychology (which would normally take 3 years full-time and 4 years part-time). Assessment occurs via examination, research, supervised practice, and the submission of a portfolio showing expertise across a range of criminological and legal applications of psychology. Once qualified as a "chartered" psychologist (with a specialism in forensic psychology), a practitioner must engage in continued professional development and demonstrate how much and of what kind, each year, in order to renew their practicing certificate.


Roles in forensic psychology


Practice/direct service

Evaluations and assessments are completed by forensic psychologists to assess a person's psychological state for legal purposes. Reasons for completing these evaluations can involve acquiring information for criminal court (such as insanity or
incompetence Incompetence is the inability to perform; lack of Competence (human resources), competence; ineptitude. Aspects of incompetence include: *Administrative incompetence, dysfunctional administrative behaviors that hinder attainment of organization g ...
), for criminal sentencing or parole hearings (often regarding a potential intellectual disability that prevents sentencing or one's risk of recidivism), for family court (including child custody or parental termination cases), or civil court (involving, for example, personal injury, competence to manage one's financial affairs, and psychological autopsies especially as related to testamentary capacity).Psychiatric Autopsy - Tool for Death Investigation-by Shaijan C. George B.Sc., LL.M, 2018(5)KHC J-65 Additional assessments that these professionals can perform include school threats. There is great debate about whether these Forensic Psychological evaluations constitute as health care treatment, with the majority of arguments claiming they do not. It is important to note that while a forensic psychologist is responsible for assessing and reporting results of an evaluation, they do not make decisions on "ultimate issues" such as competence to stand trial or service-connected disability for U.S. military veterans. Instead, the information provided by the expert evaluator is analyzed and is ruled on by the court which ordered the evaluation to take place.


Treatment

Treatment providers may be asked to administer
psychological intervention In applied psychology, interventions are actions performed to bring about change in people. A wide range of intervention strategies exist and they are directed towards various types of issues. Most generally, it means any activities used to modif ...
s to those who require or request services in both criminal and civil cases. In regard to criminal cases, forensic psychologists can work with individuals who have already been sentenced to reduce recidivism, which refers to one's likelihood of repeating his or her offense. Other interventions that may be implemented in these settings are substance use disorder treatment, sex offender treatment, treatment for a mental illness, or anger management courses. As for civil proceedings, treatment providers may have to treat families going through divorce or custody cases. They may also provide treatment to individuals who have suffered psychological injuries as a result of some kind of trauma. Treatment providers and evaluators work in the same types of settings: forensic and state psychiatric hospitals, mental health centers, and private practices. Often, people who are considered members of ethnic or racial minorities are who forensic psychologists treat due to the overrepresentation of these individuals within the legal system.


Consultations

Providing consultations allows forensic psychologists to apply psychological expertise and research to help law enforcement, attorneys, and other legal professionals or proceedings better understand human behavior (e.g. criminal, witness, victim, jury), civil processes, effects of trauma or other life events, and so on. If working as a consultant, a forensic psychologist is able to be involved in legal proceedings through responsibilities such as reviewing court records (such as a defendant's psychosocial history or assess mitigating or aggravating factors in a case), serving as a jury consultant (organizing focus groups, shadow juries, mock juries, or helping with the voir dire proceedings), and assessment without testimony (in which results of a defendant's evaluation are not disclosed to the prosecution team, allowing the defense team to develop a defense strategy), among others. Essentially, consultations can take a number of forms, including the common ones below: # Law enforcement consultations may take the form of assisting with
criminal profiling Offender profiling, also known as criminal profiling, is an investigative strategy used by law enforcement agencies to identify likely suspects and has been used by investigators to link cases that may have been committed by the same perpetrator ...
, developing hiring procedures and methods, determining the psychological fitness of returning officers, or simply lending expertise on certain criminal behaviors. There are several methods and approaches related to criminal profiling, but there is a lot of skepticism and criticism about the efficiency and accuracy of criminal profiling in general. A couple common approaches are the scientific approach, which includes the FBI's Crime Scene Analysis and Canter's Investigative Psychology, and the intuitive approach, which includes Tukey's Behavioral Evidence Analysis. # Trial consultants are psychologists who work with legal professionals, such as attorneys, to aid in case preparation. This includes jury selection, development of case strategy, and witness preparation. Forensic psychologists working as trial consultants rely on research in order to best advise the individuals they are working with. Because trial consultants are often hired by one specific side in a trial, these psychologists are faced with many ethical issues. It is the responsibility of the psychologist to remain neutral when consulting – in other words, the consultant must not choose a side to support and consequentially omit or create information that would be beneficial to one side or another. Prior to accepting a case to work on, it is important that the forensic psychologist weigh the responsibilities of consulting on that case with the ethical guidelines put in place for the field of forensic psychology. Expert testimony about matters relating to psychology is also an area in which forensic psychologists play an active role. Unlike fact witnesses, who are limited to testifying about what they know or have observed,
expert witness An expert witness, particularly in common law countries such as the United Kingdom, Australia, and the United States, is a person whose opinion by virtue of education, training, certification, skills or experience, is accepted by the judge as ...
es have the ability to express further knowledge of a situation or topic because, as their name suggests, they are presumed to be "experts" in a certain topic and possess specialized knowledge about it. The requirements that must be met for forensic psychologists to be considered expert witnesses include clinical psychology expertise and knowledge of the laws that have jurisdiction over the court they are to testify. Procedural and legal rules guide expert testimony, which include that the
evidence Evidence for a proposition is what supports this proposition. It is usually understood as an indication that the supported proposition is true. What role evidence plays and how it is conceived varies from field to field. In epistemology, evidenc ...
must be relevant to the case, the method the expert used must be valid and reliable, and that the evidence will help the trier of fact. An expert can be deposed by opposing counsel to discover what they plan to say in court, and attorneys have the opportunity to raise a challenge to the admissibility of the expert's testimony if there are questions about its relevance, or its validity and reliability (in the United States - the rules vary by country and jurisdiction). Regardless of who calls in the expert, it is the judge who determines whether or not the expert witness will be accepted through a
voir dire (; often ; from an Anglo-Norman phrase meaning "to speak the truth") is a legal phrase for a variety of procedures connected with jury trials. It originally referred to an oath taken by jurors to tell the truth ( la, verum dicere). This term is ...
process of qualification.


Research

Forensic psychology researchers make scientific discoveries relevant to psychology and the law and they also sometimes provide expert witness testimony. These professionals usually have an advanced degree in psychology (most likely a PhD). These professionals may be employed in various settings, which include colleges and universities, research institutes, government or private agencies, and mental health agencies. Researchers test hypotheses empirically regarding issues related to psychology and the law, such as jury research and research on mental health law and policy evaluation. Their research may be published in forensic psychology journals such as '' Law and Human Behavior'' or ''
Psychology, Public Policy, and Law ''Psychology, Public Policy, and Law'' is a quarterly peer-reviewed academic journal published by the American Psychological Association. It publishes original empirical papers, reviews, and meta-analyses on the contribution of psychological scienc ...
'', as well as more broadly in basic
psychology journals Psychology is the scientific study of mind and behavior. Psychology includes the study of conscious and unconscious phenomena, including feelings and thoughts. It is an academic discipline of immense scope, crossing the boundaries between ...
. Some famous psychologists in the field include
Scott Lilienfeld Scott O. Lilienfeld (December 23, 1960 – September 30, 2020) was a professor of psychology at Emory University and advocate for evidence-based treatments and methods within the field. He is known for his books '' 50 Great Myths of Popular Psy ...
who was widely known for his scholarship on psychopathology and psychopathy,
Saul Kassin Saul Kassin is a distinguished professor of psychology at John Jay College of Criminal Justice - City University of New York and Massachusetts Professor Emeritus of Psychology at Williams College in Williamstown, Massachusetts. Biography and educ ...
who is widely known for studying false confessions, Jennifer Skeem who is widely known for studying justice-involved people with mental illness, Michael Saks who is known for his contributions to jury research and improvements to forensic science, Barbara Spellman who is known for her cognitive psychology-law work as well as for her open science leadership, and
Elizabeth Loftus Elizabeth F. Loftus (born 1944) is an American psychologist who is best known in relation to the misinformation effect, false memory and criticism of recovered memory therapies. Loftus's research includes the effects of phrasing on the percep ...
and Gary Wells who are both known for their research on eyewitness memory.


Education

Academic forensic psychologists engage in teaching, researching, training, and supervision of students, among other education-related activities. These professionals also have an advanced degree in psychology (most likely a PhD) and are most often employed at colleges and universities. In addition to holding professorships, forensic psychologists may engage in education through presenting research, hosting talks relating to a particular subject, or engaging with and educating the community about a relevant forensic psychology topic.


Advocacy

Through advocacy, forensic psychologists can use psychological research to influence laws and policies. These may be related to certain movements, such as
Black Lives Matter Black Lives Matter (abbreviated BLM) is a decentralized political and social movement that seeks to highlight racism, discrimination, and racial inequality experienced by black people. Its primary concerns are incidents of police bruta ...
or the
Me Too movement #MeToo is a social movement against sexual abuse, sexual harassment, and rape culture, in which people publicize their experiences of sexual abuse or sexual harassment. The phrase "Me Too" was initially used in this context on social media in ...
, or may even be related to certain civil rights that are being overlooked.


Forensic psychological evaluations


Common types of evaluations


Forensic assessments of competencies

Competence, in a legal setting, refers to the defendant's ability to appreciate and understand the charges against them and what is happening in the legal proceedings, as well as their ability to help the lawyer understand and defend their case. While competence is assessed by a psychologist, its concern regarding a defendant is typically voiced by the lawyer. Though it is the psychologist's responsibility to assess for competence, it is ultimately up to the judge to decide whether the defendant is competent or not. If the defendant is found incompetent to stand trial, the psychologist must then give a recommendation on whether or not the defendant can be restored to competence through treatment or if the charges should be dropped completely due to incompetence. A couple potential causes of incompetence include certain types of brain damage or the occurrence of a psychotic episode preventing the individual from registering the reality around them. Several cases were instrumental in developing a standard for competence, as well as for determining the rights of an individual deemed incompetent to stand trial. Youtsey v. United States (1899) was one of the cases that set the standard for competence, with the judge ruling that trying or sentencing an individual deemed incompetent violates their human rights. Despite this ruling, no official guidelines for determining and sentencing matters of competence were developed. In Dusky v. United States (1960), the case upheld the Youtsey v. United States ruling and set specific criteria for competence. These include having a rational and factual understanding of court proceedings and being able to consult with an attorney in a rational manner. The case of Weiter v. Settle (1961) resulted in the decision that a psychologist's opinion in a competency hearing is considered "opinion testimony." Additionally, guidelines were put in place to accurately evaluate competency. The eight guidelines established include requirements that the defendant appreciates one's own presence in relation to time, place, and things; understands that they are in a Court of Justice, charged with a criminal offense; recognizes that there is a Judge who presides over the Court; understands that there is a Prosecutor who will try to convict them of criminal charges; understands that they have a lawyer who will defend them against that charge; knows that they are expected to tell their attorney what they were doing at the time of the alleged offense; understands that a jury will determine whether they are guilty or innocent of the charges; and has sufficient memory to discuss issues related to the alleged offense and the court proceedings. As time has progressed, more cases have added to these guidelines and expectations when evaluating competency.


Forensic assessment of

insanity Insanity, madness, lunacy, and craziness are behaviors performed by certain abnormal mental or behavioral patterns. Insanity can be manifest as violations of societal norms, including a person or persons becoming a danger to themselves or t ...

Insanity, as opposed to competence, refers to an individual's mental state at the time of the crime rather than at the time of the trial. According to legal principles of insanity, it is only acceptable to judge, find someone criminally responsible, and punish a defendant if that individual was sane at the time of the crime. In order to be considered sane, the defendant must have exhibited both ''mens rea'' and ''actus reus''. ''
Mens rea In criminal law, (; Law Latin for "guilty mind") is the mental element of a person's intention to commit a crime; or knowledge that one's action (or lack of action) would cause a crime to be committed. It is considered a necessary element ...
'', translated to "guilty mind", indicates that the individual exhibited free will and some intent to do harm at the time of the crime. '' Actus reus'' refers to the voluntary committing of an unlawful act. The insanity defense acknowledges that, while an unlawful act did occur, the individual displayed a lack of ''mens rea''. The burden of proof in determining if a defendant is insane lies with the defense team. A notable case relating to this type of assessment is that of ''
Ford v. Wainwright ''Ford v. Wainwright'', 477 U.S. 399 (1986), was a Lists of United States Supreme Court cases, landmark Supreme Court of the United States, U.S. Supreme Court case that upheld the common law rule that the insane cannot be Capital punishment in the ...
'', in which it was decided that forensic psychologists must be appointed to assess the competency of an inmate to be executed in death penalty cases. There are various definitions of insanity acknowledged within the legal system. The M'Naghten/McNaugton rule (1843) defines insanity as the individual not understanding the nature and quality of his or her acts or that these acts were wrong due to a mental disease or defect. This is also referred to as the cognitive capacity test. Meanwhile, the Durham Test (established in Durham v. United States, 1954) states that one can be declared insane if the actions were caused by a mental disorder. The vague nature of this description causes this definition to only be used in one state (New Hampshire). The final definition acknowledged within the courts is the Brawner Rule ( U.S. v. Brawner, 1972), also referred to as the American Law Institute Standard. This definition posits that, due to a mental disease or defect, an individual is considered insane if unable to appreciate the wrongfulness of an act and are unable to conform their behavior to the dictates of the law. Evaluating insanity involves using crime scene analysis to determine the mental state at the time of the crime, establishing a diagnosis, interviewing the defendant and any other relevant witnesses, and verifying impressions of the defendant. Challenges associated with this type of assessment involve defendant
malingering Malingering is the fabrication, feigning, or exaggeration of physical or psychological symptoms designed to achieve a desired outcome, such as relief from duty or work. Malingering is not a medical diagnosis, but may be recorded as a "focus of c ...
, determining the defendant's past mental state, the chance that different experts may come to different conclusions depending on the assessment method used, and the fact that it is very common for society to label any psychological disorder as insane (though few actually fall into this category; insanity primarily involves
psychotic disorders Psychosis is a condition of the mind that results in difficulties determining what is real and what is not real. Symptoms may include delusions and hallucinations, among other features. Additional symptoms are incoherent speech and behavior t ...
).


Violence Risk Assessment

Violence risk assessment evaluates how dangerous an individual is, or could be, and the risk of them re-offending, also referred to as recidivism.Melton, Gary B.; Petrila, John; Poythress, Norman G.; Slobogin, Christopher; Otto, Randy K.; Mossman, Douglas; Condie, Lois O. (2017). ''Psychological evaluations for the courts: A handbook for mental health professionals and lawyers'' (4th ed.). New York: The Guilford Press.
ISBN The International Standard Book Number (ISBN) is a numeric commercial book identifier that is intended to be unique. Publishers purchase ISBNs from an affiliate of the International ISBN Agency. An ISBN is assigned to each separate edition an ...
9781462532742.
OCLC OCLC, Inc., doing business as OCLC, See also: is an American nonprofit cooperative organization "that provides shared technology services, original research, and community programs for its membership and the library community at large". It was ...
1011497293
Risk assessments affect the possibility of an inmate receiving parole or being released from prison and are also used in sentencing. Imposition of the death penalty often requires a consideration of "future dangerousness," for which risk assessment can play a vital role. Although there are many advocates for the use of risk assessment in sentencing, sometimes referred to as "evidence-based sentencing," as a method for reducing
mass incarceration Incarceration in the United States is a primary form of punishment and rehabilitation for the commission of felony and other offenses. The United States has the largest prison population in the world, and the highest per-capita incarceratio ...
in the United States,Scurich, N., & Monahan, J. (2016). Evidence-based sentencing: Public openness and opposition to using gender, age, and race as risk factors for recidivism. ''Law and Human Behavior, 40''(1), 36–41. https://doi.org/10.1037/lhb0000161 there are others who question whether risk assessments are accurate enough to be relied upon when making these consequential legal decisions. Risk assessment, as with any attempt to understand future behavior, is very difficult, especially because "risk" isn't always defined the same way in different legal settings. There is a wide research literature on risk assessment, but the information is varied and sometimes contradictory, and bias can play a role in risk assessment. It is also difficult to assess the accuracy of risk assessment and for individual clinicians to receive feedback on their risk assessment decisions. Making a false negative decision in the real world (i.e., labeling someone who is actually high-risk as low-risk) tends to have more visible consequences than making a false positive decision (i.e., labeling someone who is actually low-risk as high-risk), and clinicians might never even find out that the latter assessment was incorrect. This risk imbalance in making these types of errors can bias clinicians away from making low-risk classifications. In experimental validation studies, risk assessment accuracy is typically measured using area under the
ROC curve A receiver operating characteristic curve, or ROC curve, is a graphical plot that illustrates the diagnostic ability of a binary classifier system as its discrimination threshold is varied. The method was originally developed for operators of m ...
(AUC), a statistical method which indicates the likelihood that a random high-risk offender would be classified as higher risk than a random low-risk offender. * Types of violence risk assessments. There are several different methods of risk assessment, the main five of which are unstructured clinical assessment, anamnestic assessment, structured professional judgment, actuarial assessment, and adjusted actuarial assessment. ** ''Unstructured clinical assessment'' is a form of risk assessment in which the forensic examiner or clinician decides both what information to use and how to use it to determine risk, based on their clinical judgment. The information used in these types of assessments tends to come from in-depth interviews with the examinee, as well as collateral interviews with known personal contacts, the results of psychological testing, and historical records. Because these assessments rely heavily on the individual clinician's judgment, the
interrater reliability In statistics, inter-rater reliability (also called by various similar names, such as inter-rater agreement, inter-rater concordance, inter-observer reliability, inter-coder reliability, and so on) is the degree of agreement among independent obse ...
for this method of assessing risk tends to be low. According to most research on predictive validity, unstructured clinical assessment is less accurate at predicting risk than other, more structured methods (though there have been some issues raised with the evidence supporting this claim). ** ''Anamnestic assessment'' is another type, which is a form of clinical risk assessment that is focused on risk factors specific to the individual being examined. This type of risk assessment tends to be used for assessing violence risk, and relies heavily on an examinee's past history of violent behavior to identify risk factors for that individual behaving aggressively again, rather than risk factors for violence in general. Because these risk assessments are based on clinical interviews and tailored to the individual in question, they can be useful for determining ways to reduce an individual's violence risk, but they suffer from the same limitations as general unstructured clinical assessment in terms of
interrater reliability In statistics, inter-rater reliability (also called by various similar names, such as inter-rater agreement, inter-rater concordance, inter-observer reliability, inter-coder reliability, and so on) is the degree of agreement among independent obse ...
. ** ''Structured professional judgement'' (SPJ) is similar to unstructured clinical assessment in that the examiner still makes the final decision about risk, but it is more structured because these tools give the examiner specific, empirically-based factors to focus on when assessing risk. Because of the more structured nature of these assessments, the
interrater reliability In statistics, inter-rater reliability (also called by various similar names, such as inter-rater agreement, inter-rater concordance, inter-observer reliability, inter-coder reliability, and so on) is the degree of agreement among independent obse ...
of risk assessments done using these tools tends to be higher than that of those done using completely unstructured clinical assessment, and some argue the accuracy is higher than other types of assessment including actuarial methods, but there are questions about the legitimacy of these claims. Additionally, because most actuarial risk assessment tools are based on static (or unchanging) risk factors, SPJ tools tend to be better at identifying dynamic risk factors (which can be changed), and thus can be more useful in treatment settings than actuarial assessments. ** ''Actuarial risk assessment'' is a more objective method of risk assessment that involves structured tools and algorithms that combine certain risk factors to produce a risk score or rating. The algorithm tells evaluators both which factors to pay attention to and how to weigh and combine them to produce the risk score. The risk factors included in actuarial tools are empirically linked to violence or recidivism risk and tend to be more static (permanent, unchanging) than dynamic (changeable). Because actuarial risk assessment tools provide the most guidance and involve the least amount of clinician judgment, they tend to have higher
interrater reliability In statistics, inter-rater reliability (also called by various similar names, such as inter-rater agreement, inter-rater concordance, inter-observer reliability, inter-coder reliability, and so on) is the degree of agreement among independent obse ...
and to be more accurate than unstructured clinical assessment. However, these types of assessment are less flexible, and their mathematical and algorithmic nature might make testimony based on them more difficult for jurors and laypeople to understand. Two example actuarial tools for assessing violence risk are the Violence Risk Appraisal Guide (VRAG) and the Classification of Violence Risk (COVR). An example actuarial tool for assessing sexual recidivism risk is the Static-99 Revised (Static-99R). ** ''Adjusted actuarial risk assessment'' is a combination of unstructured clinical assessment and actuarial risk assessment. In adjusted actuarial assessment, evaluators use an actuarial method to determine risk, and then adjust the score produced by the algorithm based on their own clinical judgment. This type of risk assessment is meant to make actuarial instruments more flexible and adaptable to the facts of a specific case; however, supporters of the actuarial technique tend to criticize this method as forgoing the main benefit of actuarial risk assessment—the lack of subjectivity—by reintroducing clinician judgment after a risk assessment score has been calculated. * Effectiveness of risk assessment. The evidence regarding the effectiveness of risk assessment (particularly established risk assessment tools) is mixed.Viljoen, J. L., Jonnson, M. R., Cochrane, D. M., Vargen, L. M., & Vincent, G. M. (2019). Impact of risk assessment instruments on rates of pretrial detention, postconviction placements, and release: A systematic review and meta-analysis. ''Law and Human Behavior, 43''(5), 397–420. https://doi.org/10.1037/lhb0000344 According to a systematic literature review, professionals surveyed (including correctional staff, mental health professionals, and judges) have mixed opinions about the utility of risk assessment tools for risk management and treatment, and the evidence is also mixed regarding whether risk assessment tools are associated with reductions in violence and offending. Another systematic review and
meta-analysis A meta-analysis is a statistical analysis that combines the results of multiple scientific studies. Meta-analyses can be performed when there are multiple scientific studies addressing the same question, with each individual study reporting me ...
found some evidence that the use of risk assessment tools may reduce "restrictive placements," which could include pretrial detainment as well as post-conviction placements and potential release, but the effect was small and, after removing studies with a high possibility of bias do to
confounding variables In statistics, a confounder (also confounding variable, confounding factor, extraneous determinant or lurking variable) is a variable that influences both the dependent variable and independent variable, causing a spurious association. Con ...
, not statistically significant. This same review also found that when these decreases in restrictive placements occurred, there was not a corresponding increase in recidivism; however, the evidence was low regarding the impact of risk assessment tools on recidivism generally and violent recidivism in particular. Moreover, a
literature review A literature review is an overview of the previously published works on a topic. The term can refer to a full scholarly paper or a section of a scholarly work such as a book, or an article. Either way, a literature review is supposed to provid ...
found that even if risk assessment tools are effective, they may not be reaching their full potential to effect change because of implementation issues and issues applying risk assessment-derived recommendations to future risk management and treatment decisions. * Controversy in risk assessment. One issue that is particularly prevalent in discussions about risk assessment and the use of risk assessment in sentencing is its potential impact on racial disparities in criminal justice outcomes.Viljoen, J. L., Jonnson, M. R., Cochrane, D. M., Vargen, L. M., & Vincent, G. M. (2019). Impact of risk assessment instruments on rates of pretrial detention, postconviction placements, and release: A systematic review and meta-analysis. ''Law and Human Behavior, 43''(5), 397–420. https://doi.org/10.1037/lhb0000344 Scholars and practitioners have argued that the use of risk assessment in sentencing may have no impact on racial disparities, increase racial disparities, and/or reduce racial disparities.Monahan, J. & Skeem, J. L. (2016). Risk assessment in criminal sentencing. ''Annual Review of Clinical Psychology, 12''(1), 489–513. https://doi.org/10.1146/annurev-clinpsy-021815-092945 Those who argue that risk assessment may have no impact on racial disparities tend to base their arguments on the assumption that sentencing decisions made by judicial intuition or
sentencing guidelines Sentencing guidelines define a recommended sentencing range for a criminal defendant, based upon characteristics of the defendant and of the criminal charge. Depending upon the jurisdiction, sentencing guidelines may be nonbinding, or their applic ...
based on prior criminal history are also prone to racial bias, so the alternatives to risk assessment in sentencing may not be much different with regard to racial disparities. Those who argue that risk assessment in sentencing reduces racial bias argue that, because race cannot constitutionally be included as a risk factor on any reputable measure of risk, the use of risk assessment tools decreases the weight people otherwise may give to racial factors in sentencing decisions.Davis, R. M., Batastini, A. B., Sacco, D., Dahlen, E. R., & Jones, A. C. T. (2022). Does race matter? An examination of defendant race on legal decision making in the context of actuarial violence risk assessments. ''Legal and Criminological Psychology, 27''(2), 297–313. https://doi.org/10.1111/lcrp.12204 Those who argue that risk assessment in sentencing increases racial disparities, however, argue that because risk assessment tools (particularly actuarial tools) tend to be based on past criminal justice data, the use of these instruments to sentence future offenders may reproduce or even exacerbate existing racial disparities in criminal justice outcomes. Additionally, most legal scholars and laypeople are very opposed to the explicit use of race in risk assessment,Scurich, N., & Monahan, J. (2016). Evidence-based sentencing: Public openness and opposition to using gender, age, and race as risk factors for recidivism. ''Law and Human Behavior, 40''(1), 36–41. https://doi.org/10.1037/lhb0000161 but some argue that variables that are included in many risk assessment tools, including socioeconomic variables, employment, education, neighborhood quality, and criminal history, are so highly correlated with race that they serve as proxies for race in these instruments. Empirical research that has attempted to investigate the impact of using risk assessment tools on racial disparities has suffered from a lack of sufficient data. In a systematic review and
meta-analysis A meta-analysis is a statistical analysis that combines the results of multiple scientific studies. Meta-analyses can be performed when there are multiple scientific studies addressing the same question, with each individual study reporting me ...
that attempted to investigate the impact of different types of risk assessment on racial disparities in criminal justice outcomes, the authors were unable to find enough studies that actually measured this impact to draw clear conclusions, and other studies have also found limited or mixed effects of risk assessments on racially disparate outcomes.


Other types of evaluations

While insanity and competency assessments are among the most common criminal assessments administered within the legal system, there are several other types implemented. Some of these include death penalty case assessments, assessments of child sexual abuse, assessments for child custody or divorce cases, civil court assessments, and immigration/asylum cases. * Immigration/asylum evaluations. In removal proceedings, the judge or parties may request the assistance of a forensic psychologist for those individuals eligible to apply for various forms of immigration benefits. There are eight grounds for an individual to apply for which are hardship, risk for torture, asylum, domestic violence, ANAC (abused, neglected, or abandoned children), discretionary determinations, risk assessment, and competence to proceed. Each removal proceeding is as unique as the individual on trial which is where mental health professionals play a crucial role in helping document their experiences as many individuals may or may not have proof to support their stories. In the case that an individual does apply for relief/protection from removal, a psychological evaluation is conducted by a forensic psychologist to help the court determine if the individual meets the requirements for the type of relief for which they are applying. Immigration evaluations are often done through a series of interviews with the individual and their family members that delve into their life of what led up to the migration, medical information such as history and physical examinations, social background information, and their current level of cognitive and psychological functioning.


Distinction between forensic and therapeutic evaluation

A forensic psychologist's interactions with and ethical responsibilities to the client differ widely from those of a psychologist dealing with a client in a clinical setting. * Scope. Rather than the broad set of issues a psychologist addresses in a clinical setting, a forensic psychologist addresses a narrowly defined set of events or interactions of a nonclinical nature. * Importance of client's perspective. A clinician places primary importance on understanding the client's unique point of view, while a forensic psychologist is interested in accuracy, and the client's viewpoint is secondary. * Voluntariness. Usually, in a clinical setting, a psychologist is dealing with a voluntary client. A forensic psychologist evaluates clients by order of a judge or at the behest of an attorney. * Autonomy. Voluntary clients have more latitude and autonomy regarding the assessment's objectives. Any assessment usually takes their concerns into account. The objectives of a forensic examination are confined by the applicable statutes or common law elements that pertain to the legal issue in question. * Threats to validity. While the client and therapist are working toward a common goal, although unconscious distortion may occur, in the forensic context there is a substantially greater likelihood of intentional and conscious distortion. * Relationship and dynamics. While therapeutic interactions work toward developing a trusting, empathic therapeutic alliance, a forensic psychologist may not ethically nurture the client or act in a "helping" role, as the forensic evaluator has divided loyalties and there are substantial limits on confidentiality they can guarantee the client. A forensic evaluator must always be aware of manipulation in the adversary context of a legal setting. These concerns mandate an emotional distance that is unlike a therapeutic interaction. * Pace and setting. Unlike therapeutic interactions which may be guided by many factors, the forensic setting with its court schedules, limited resources, and other external factors places great time constraints on the evaluation without opportunities for reevaluation. The forensic examiner focuses on the importance of accuracy and the finality of legal dispositions.


Ethics in forensic psychology

The ethical recommendations and expectations outlined for forensic psychology specifically are listed in the APA's ''Specialty Guidelines for Forensic Psychology''. These guidelines involve reminders that forensic psychologists should value integrity, impartiality, and fairness, as well as avoid conflicts of interest when possible. These conflicts of interest may arise in situations in which the psychologist is working as a consultant to one side or another in a court case, when the psychologist is required to testify or evaluate something that collides with their own beliefs or values, or when a psychologist is faced with the decision of choosing between playing the role of an individual's evaluator or treatment provider in a case. This final conflict of interest also relates to the ethical guidelines relating to having multiple relationships with clients. As a standard of ethics, forensic psychologists are expected to offer a certain amount of reduced fee or pro bono services for individuals who may not be able to afford hiring a psychologist for a court case otherwise. Other ethical guidelines involve receiving informed consent from clients before communicating information regarding their treatment or evaluations, respecting and acknowledging privacy, confidentiality, and privilege among clients, remaining impartial and objective when involved in a trial, and weighing the moral and ethical costs of complying with any court orders that may conflict with professional standards.


Salary of a forensic psychologist

There is a wide range of pay for individuals in the forensic psychology field. In the United States, the median annual income of clinical-forensic psychologists is $125,000 - $149,999, and the pay can range from $50,000 (entry-level) a year to more than $350,000 a year. There are also pay differences for men and women, where female forensic psychologists earn $0.83 for every $1.00 earned by male psychologists. Forensic psychologists' income varies from one state to another.


Notable research in forensic psychology

* Garry, Maryanne; Manning, Charles G.; Loftus, Elizabeth F.; Sherman, Steven J. (1996-06). "Imagination inflation: Imagining a childhood event inflates confidence that it occurred". ''Psychonomic Bulletin & Review''. 3 (2): 208–214. doi:10.3758/BF03212420.
ISSN An International Standard Serial Number (ISSN) is an eight-digit serial number used to uniquely identify a serial publication, such as a magazine. The ISSN is especially helpful in distinguishing between serials with the same title. ISSNs ...
 1069-9384. * Harris, Paige B.; Boccaccini, Marcus T.; Murrie, Daniel C. (2015-08). "Rater differences in psychopathy measure scoring and predictive validity". ''Law and Human Behavior''. 39 (4): 321–331. doi:10.1037/lhb0000115.
ISSN An International Standard Serial Number (ISSN) is an eight-digit serial number used to uniquely identify a serial publication, such as a magazine. The ISSN is especially helpful in distinguishing between serials with the same title. ISSNs ...
 1573-661X. * Holcomb, Matthew J.; Jacquin, Kristine M. (2007-07-03). "Juror Perceptions of Child Eyewitness Testimony in a Sexual Abuse Trial". ''Journal of Child Sexual Abuse''. 16(2): 79–95. doi:10.1300/J070v16n02_05.
ISSN An International Standard Serial Number (ISSN) is an eight-digit serial number used to uniquely identify a serial publication, such as a magazine. The ISSN is especially helpful in distinguishing between serials with the same title. ISSNs ...
 1053-8712. * Kassin, S. & Wrightsman, L. (1980). Prior confessions and mock juror verdicts. ''Journal of Applied Social Psychology'', 10, 133 146. * Kassin, Saul M.; Drizin, Steven A.; Grisso, Thomas; Gudjonsson, Gisli H.; Leo, Richard A.; Redlich, Allison D. (2010). "Police-induced confessions: Risk factors and recommendations". ''Law and Human Behavior''. 34 (1): 3–38. doi:10.1007/s10979-009-9188-6.
ISSN An International Standard Serial Number (ISSN) is an eight-digit serial number used to uniquely identify a serial publication, such as a magazine. The ISSN is especially helpful in distinguishing between serials with the same title. ISSNs ...
 1573-661X. * Loftus, Elizabeth F (1975-10). "Leading questions and the eyewitness report". ''Cognitive Psychology''. 7 (4): 560–572. doi:10.1016/0010-0285(75)90023-7. * Neal, T.M.S., Slobogin, C. Saks, M.J., Faigman, D., & Geisinger, K. (2019). Psychological assessments in legal contexts: Are courts keeping “junk science” out of the courtroom? ''Psychological Science in the Public Interest, 20''(3), 135-164. https://doi.org/10.1177/1529100619888860 * Smalarz, Laura; Madon, Stephanie; Yang, Yueran; Guyll, Max; Buck, Sarah (2016). "The perfect match: Do criminal stereotypes bias forensic evidence analysis?". ''Law and Human Behavior''. 40 (4): 420–429. doi:10.1037/lhb0000190.
ISSN An International Standard Serial Number (ISSN) is an eight-digit serial number used to uniquely identify a serial publication, such as a magazine. The ISSN is especially helpful in distinguishing between serials with the same title. ISSNs ...
 1573-661X. * Stern, W. (1939). "The psychology of testimony". ''The Journal of Abnormal and Social Psychology''. 34 (1): 3–20. doi:10.1037/h0054144.
ISSN An International Standard Serial Number (ISSN) is an eight-digit serial number used to uniquely identify a serial publication, such as a magazine. The ISSN is especially helpful in distinguishing between serials with the same title. ISSNs ...
 0096-851X. * Stewart, Destin N.; Jacquin, Kristine M. (2010-11-18). "Juror Perceptions in a Rape Trial: Examining the Complainant's Ingestion of Chemical Substances Prior to Sexual Assault". ''Journal of Aggression, Maltreatment & Trauma''. 19 (8): 853–874. doi:10.1080/10926771.2011.522951.
ISSN An International Standard Serial Number (ISSN) is an eight-digit serial number used to uniquely identify a serial publication, such as a magazine. The ISSN is especially helpful in distinguishing between serials with the same title. ISSNs ...
 1092-6771. * Viljoen, Jodi L.; Jonnson, Melissa R.; Cochrane, Dana M.; Vargen, Lee M.; Vincent, Gina M. (2019-10). "Impact of risk assessment instruments on rates of pretrial detention, postconviction placements, and release: A systematic review and meta-analysis". ''Law and Human Behavior''. 43 (5): 397–420. doi:10.1037/lhb0000344.
ISSN An International Standard Serial Number (ISSN) is an eight-digit serial number used to uniquely identify a serial publication, such as a magazine. The ISSN is especially helpful in distinguishing between serials with the same title. ISSNs ...
 1573-661X.


See also

* Applied psychology *
Forensic psychiatry Forensic psychiatry is a subspeciality of psychiatry and is related to criminology. It encompasses the interface between law and psychiatry. According to the American Academy of Psychiatry and the Law, it is defined as "a subspecialty of psychiat ...
* Settled insanity *
Competency evaluation (law) In the United States criminal justice system, a competency evaluation is an assessment of the ability of a defendant to understand and rationally participate in a court process. Competency was originally established by the Supreme Court of the U ...
*
List of United States Supreme Court cases involving mental health The U.S. Supreme Court has issued numerous rulings regarding mental health and how society treats and regards the ill. While some rulings applied very narrowly, perhaps to only one individual, other cases have had great influence over wide areas. ...
* Media psychology *
Medical jurisprudence Medical jurisprudence or legal medicine is the branch of science and medicine involving the study and application of scientific and medical knowledge to legal problems, such as inquests, and in the field of law. As modern medicine is a legal ...


Notes


References


Further reading

* Adler, J. R. (Ed.). (2004). ''Forensic Psychology: Concepts, debates and practice.'' Cullompton: Willan. * Bartol, C. R., & Bartol, A. M. (1999). History of Forensic Psychology. In A. K. Hess & Irving B. Weiner (Eds.), Handbook of Forensic Psychology (2nd ed., ). London: John Wiley and Sons. * Blackburn, R. (1996). What is forensic psychology? Legal and Criminological Psychology. 1996 Feb; Vol 1(Part 1) 3-16 . * Dalby, J. T. (1997) ''Applications of Psychology in the Law Practice: A guide to relevant issues, practices and theories''. Chicago: American Bar Association. * Davis, J. A. (2001). Stalking crimes and victim protection. CRC Press. 538 pages. . (hbk.) * Duntley, J. D., & Shackelford, T. K. (2006). Toward an evolutionary forensic psychology. ''Social Biology, 51,'' 161–165
Full text
* Gudjonsson, G. (1991). Forensic psychology - the first century. Journal of forensic psychiatry, 2(2), 129. * G.H. Gudjonsson and Lionel Haward: ''Forensic Psychology. A guide to practice.'' (1998) (pbk.), (hbk.) *JONES, L. M., CROSS, T. P., WALSH, W. A., & SIMONE, M. (2005). CRIMINAL INVESTIGATIONS OF CHILD ABUSE: The Research Behind "Best Practices." Trauma, Violence & Abuse, 6(3), 254–268. * Melton, G. B., Petrila, J., Poythress, N. G., Otto, R. K., Mossman, D., & Condie, L. O. (2017). ''Psychological evaluations for the courts: A handbook for mental health professionals and lawyers'' (4th ed.). New York, NY: Guilford. * Neal, T.M.S., Martire, K.A., Johan, J.L., Mathers, E., & Otto, R.K. (2022). The law meets psychological expertise: Eight best practices to improve forensic psychological assessments. ''Annual Review of Law & Social Science'', online first. https://doi.org/10.1146/annurev-lawsocsci-050420-010148 (Open access - read for free) * Ogloff, J. R. P., & Finkelman, D. (1999). Psychology and Law: An Overview. In R. Roesch, S. D. Hart, & J. R. P. Ogloff (Eds.), Psychology and Law the State of the Discipline . New York: Springer. * O'Mahony, B. (2013). So, You Want to Be a Forensic Psychologist? Create Space. * Ribner, N.G.(2002). '' California School of Professional Psychology Handbook of Juvenile Forensic Psychology''. Jossey-Bass. * Roesch, R., & Zapf, P. A. (Eds.). (2012). Forensic assessments in criminal and civil law: A handbook for lawyers. NY: Oxford University Press. * Rogers, R. (Ed.) (2008). ''Clinical assessment of malingering and deception'' (3rd ed.). New York, NY: Guilford.


External links


American Academy of Forensic Psychology
Board-certified forensic experts, continuing education.
American Board of Forensic Psychology
Board certification and other information.
American Psychology - Law Society

Australian and New Zealand Association of Psychiatry, Psychology and Law

European Association of Psychology and Law

European Association of Psychology and Law Student Society
Resources and Fact sheets on Forensic Psychology {{Psychology Academic disciplines