Lees-Haley Fake Bad Scale
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Lees-Haley Fake Bad Scale
The Lees-Haley Fake Bad Scale (FBS) or MMPI Symptom Validity Scale is a set of 43 items in the Minnesota Multiphasic Personality Inventory (MMPI), selected by Paul R. Lees-Haley in 1991 to detect malingering for the forensic evaluation of personal injury claimants.Lees-Haley, Paul R., Lue Thorn English, and Walter J. Glenn. "A fake bad scale on the MMPI-2 for personal injury claimants." Psychological Reports 68.1 (1991): 203-210. It was endorsed by the MMPI publishers in 2006 and incorporated into the official scoring keys. A 2008 ''Wall Street Journal'' article noted that a few psychologists argued that it was controversial because they felt that some individuals with legitimate injuries would be categorized as faking bad. History The items on the FBS were selected by Lees-Haley on the basis of frequency differences between a sample of individuals known to be malingering and individuals judged to have legitimate complaints and his personal observations of malingerers. The FBS is ...
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Minnesota Multiphasic Personality Inventory
The Minnesota Multiphasic Personality Inventory (MMPI) is a standardized psychometric test of adult personality and psychopathology. A version for adolescents also exists, the MMPI-A, and was first published in 1992. Psychologists and other mental health professionals use various versions of the MMPI to help develop treatment plans, assist with differential diagnosis, help answer legal questions (forensic psychology), screen job candidates during the personnel selection process, or as part of a therapeutic assessment procedure. The original MMPI was developed by Starke R. Hathaway and J. C. McKinley, faculty of the University of Minnesota, and first published by the University of Minnesota Press in 1943. It was replaced by an updated version, the MMPI-2, in 1989 (Butcher, Dahlstrom, Graham, Tellegen, and Kaemmer). An alternative version of the test, the MMPI-2 Restructured Form ( MMPI-2-RF), published in 2008, retains some aspects of the traditional MMPI assessment strategy ...
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Malingering
Malingering is the fabrication, feigning, or exaggeration of physical or psychological symptoms designed to achieve a desired outcome, such as personal gain, relief from duty or work, avoiding arrest, receiving medication, or mitigating prison sentencing. It presents a complex ethical dilemma within domains of society, including healthcare, legal systems, and employment settings. Although malingering is not a medical diagnosis, it may be recorded as a "focus of clinical attention" or a "reason for contact with health services". It is coded by both the ICD-10 and DSM-5. The intent of malingerers vary. For example, the homeless may fake a mental illness to gain hospital admission. Impacts of failure to detect malingering are extensive, impacting insurance industries, healthcare systems, public safety, and veterans' disability benefits. Malingered behaviour typically ends as soon as the external goal is obtained. Malingering is established as separate from similar forms of excessive ...
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Forensic
Forensic science combines principles of law and science to investigate criminal activity. Through crime scene investigations and laboratory analysis, forensic scientists are able to link suspects to evidence. An example is determining the time and cause of death through autopsies. This evidence can then be used for proof towards a crime. Forensic science, often confused with criminalistics, is the application of science principles and methods to support legal decision-making in matters of criminal and civil law. During criminal investigation in particular, it is governed by the legal standards of admissible evidence and criminal procedure. It is a broad field utilizing numerous practices such as the analysis of DNA, fingerprints, bloodstain patterns, firearms, ballistics, toxicology, microscopy, and fire debris analysis. Forensic scientists collect, preserve, and analyze evidence during the course of an investigation. While some forensic scientists travel to the scene of ...
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Personal Injury
Personal injury is a legal term for an Injury (law), injury to the body, mind, or emotions, as opposed to an injury to property. In common law, common law jurisdictions the term is most commonly used to refer to a type of tort lawsuit in which the person bringing the suit (the plaintiff in American jurisdictions or claimant in English law) has suffered harm to their body or mind. Personal injury lawsuits are filed against the person or entity that caused the harm through negligence, gross negligence, reckless conduct, or intentional misconduct, and in some cases on the basis of strict liability. Different jurisdictions describe the damages (or, the things for which the injured person may be compensated) in different ways, but damages typically include the injured person's medical bills, pain and suffering, and diminished quality of life. History Historically, personal injury lawsuits in tort for monetary damages were virtually nonexistent before the Industrial Revolution of the 19 ...
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Wall Street Journal
''The Wall Street Journal'' (''WSJ''), also referred to simply as the ''Journal,'' is an American newspaper based in New York City. The newspaper provides extensive coverage of news, especially business and finance. It operates on a subscription model, requiring readers to pay for access to most of its articles and content. The ''Journal'' is published six days a week by Dow Jones & Company, a division of News Corp. As of 2023, ''The'' ''Wall Street Journal'' is the largest newspaper in the United States by print circulation, with 609,650 print subscribers. It has 3.17 million digital subscribers, the second-most in the nation after ''The New York Times''. The newspaper is one of the United States' newspapers of record. The first issue of the newspaper was published on July 8, 1889. The editorial page of the ''Journal'' is typically center-right in its positions. The newspaper has won 39 Pulitzer Prizes. History Founding and 19th century A predecessor to ' ...
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MMPI-2
The Minnesota Multiphasic Personality Inventory (MMPI) is a standardized psychometric test of adult personality and psychopathology. A version for adolescents also exists, the MMPI-A, and was first published in 1992. Psychologists and other mental health professionals use various versions of the MMPI to help develop treatment plans, assist with differential diagnosis, help answer legal questions (forensic psychology), screen job candidates during the personnel selection process, or as part of a therapeutic assessment procedure. The original MMPI was developed by Starke R. Hathaway and J. C. McKinley, faculty of the University of Minnesota, and first published by the University of Minnesota Press in 1943. It was replaced by an updated version, the MMPI-2, in 1989 (Butcher, Dahlstrom, Graham, Tellegen, and Kaemmer). An alternative version of the test, the MMPI-2 Restructured Form ( MMPI-2-RF), published in 2008, retains some aspects of the traditional MMPI assessment strategy, ...
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Meta-analysis
Meta-analysis is a method of synthesis of quantitative data from multiple independent studies addressing a common research question. An important part of this method involves computing a combined effect size across all of the studies. As such, this statistical approach involves extracting effect sizes and variance measures from various studies. By combining these effect sizes the statistical power is improved and can resolve uncertainties or discrepancies found in individual studies. Meta-analyses are integral in supporting research grant proposals, shaping treatment guidelines, and influencing health policies. They are also pivotal in summarizing existing research to guide future studies, thereby cementing their role as a fundamental methodology in metascience. Meta-analyses are often, but not always, important components of a systematic review. History The term "meta-analysis" was coined in 1976 by the statistician Gene V. Glass, Gene Glass, who stated ''"Meta-analysis refers t ...
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Effect Size
In statistics, an effect size is a value measuring the strength of the relationship between two variables in a population, or a sample-based estimate of that quantity. It can refer to the value of a statistic calculated from a sample of data, the value of one parameter for a hypothetical population, or to the equation that operationalizes how statistics or parameters lead to the effect size value. Examples of effect sizes include the correlation between two variables, the regression coefficient in a regression, the mean difference, or the risk of a particular event (such as a heart attack) happening. Effect sizes are a complement tool for statistical hypothesis testing, and play an important role in power analyses to assess the sample size required for new experiments. Effect size are fundamental in meta-analyses which aim to provide the combined effect size based on data from multiple studies. The cluster of data-analysis methods concerning effect sizes is referred to as estima ...
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Validity Scale
A validity scale, in psychological testing, is a scale used in an attempt to measure reliability of responses, for example with the goal of detecting defensiveness, malingering, or careless or random responding. For example, the Minnesota Multiphasic Personality Inventory has validity scales to measure questions not answered; client "faking good"; client "faking bad" (in first half of test); denial/evasiveness; client "faking bad" (in last half of test); answering similar/opposite question pairs inconsistently; answering questions all true/all false; honesty of test responses/not faking good or bad; "appearing excessively good"; frequency of presentation in clinical setting; and overreporting of somatic symptoms. The Personality Assessment Inventory has validity scales to measure inconsistency (the degree to which respondents answer similar questions in the same way), infrequency (the degree to which respondents rate extremely bizarre or unusual statements as true), positive i ...
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Psychological Tests And Scales
Psychology is the scientific study of mind and behavior. Its subject matter includes the behavior of humans and nonhumans, both consciousness, conscious and Unconscious mind, unconscious phenomena, and mental processes such as thoughts, feelings, and motivation, motives. Psychology is an academic discipline of immense scope, crossing the boundaries between the Natural science, natural and social sciences. Biological psychologists seek an understanding of the Emergence, emergent properties of brains, linking the discipline to neuroscience. As social scientists, psychologists aim to understand the behavior of individuals and groups.Hockenbury & Hockenbury. Psychology. Worth Publishers, 2010. A professional practitioner or researcher involved in the discipline is called a psychologist. Some psychologists can also be classified as Behavioural sciences, behavioral or Cognitive science, cognitive scientists. Some psychologists attempt to understand the role of mental functions in i ...
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Malingering
Malingering is the fabrication, feigning, or exaggeration of physical or psychological symptoms designed to achieve a desired outcome, such as personal gain, relief from duty or work, avoiding arrest, receiving medication, or mitigating prison sentencing. It presents a complex ethical dilemma within domains of society, including healthcare, legal systems, and employment settings. Although malingering is not a medical diagnosis, it may be recorded as a "focus of clinical attention" or a "reason for contact with health services". It is coded by both the ICD-10 and DSM-5. The intent of malingerers vary. For example, the homeless may fake a mental illness to gain hospital admission. Impacts of failure to detect malingering are extensive, impacting insurance industries, healthcare systems, public safety, and veterans' disability benefits. Malingered behaviour typically ends as soon as the external goal is obtained. Malingering is established as separate from similar forms of excessive ...
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