Kurt Lewin
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Kurt Lewin ( ; 9 September 1890 – 12 February 1947) was a German-American
psychologist A psychologist is a professional who practices psychology and studies mental states, perceptual, cognitive, emotional, and social processes and behavior. Their work often involves the experimentation, observation, and interpretation of how indi ...
, known as one of the modern pioneers of
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 ...
,
organizational An organization or organisation (Commonwealth English; see spelling differences), is an entity—such as a company, an institution, or an association—comprising one or more people and having a particular purpose. The word is derived fro ...
, and applied psychology in the United States. During his professional career Lewin applied himself to three general topics: applied research,
action research Action research is a philosophy and methodology of research generally applied in the social sciences. It seeks transformative change through the simultaneous process of taking action and doing research, which are linked together by critical refle ...
, and group communication. Lewin is often recognized as the "founder of social psychology" and was one of the first to study
group dynamics Group dynamics is a system of behaviors and psychological processes occurring within a social group (''intra''group dynamics), or between social groups ( ''inter''group dynamics). The study of group dynamics can be useful in understanding decision- ...
and
organizational development Organization development (OD) is the study and implementation of practices, systems, and techniques that affect organizational change, the goal of which is to modify an organization's performance and/or culture. The organizational changes are ...
. A ''
Review of General Psychology ''Review of General Psychology'' is the quarterly scientific journal of the American Psychological Association Division 1: The Society for General Psychology. The journal publishes cross-disciplinary psychological articles that are conceptual, th ...
'' survey, published in 2002, ranked Lewin as the 18th-most cited psychologist of the 20th century.


Biography


Early life and education

Lewin was born in 1890 into a
Jewish Jews ( he, יְהוּדִים, , ) or Jewish people are an ethnoreligious group and nation originating from the Israelites Israelite origins and kingdom: "The first act in the long drama of Jewish history is the age of the Israelites""The ...
family in
Mogilno Mogilno (; ) is a town in central Poland, situated in the Kuyavian-Pomeranian Voivodeship (since 1999), previously in Bydgoszcz Voivodeship (1975–1998). History Mogilno is one of the oldest settlements along the border of the Greater Poland an ...
, County of Mogilno, Province of Posen,
Prussia Prussia, , Old Prussian: ''Prūsa'' or ''Prūsija'' was a German state on the southeast coast of the Baltic Sea. It formed the German Empire under Prussian rule when it united the German states in 1871. It was ''de facto'' dissolved by an em ...
(modern
Poland Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populous ...
). It was a small village of about 5,000 people, about 150 of whom were Jewish. Lewin received an orthodox Jewish education at home. He was one of four children born into a middle-class family. His father owned a small general store, and the family lived in an apartment above the store. His father, Leopold, owned a farm jointly with his brother Max; however, the farm was legally owned by a Christian because Jews were not permitted to own farms at the time. The family moved to
Berlin Berlin ( , ) is the capital and largest city of Germany by both area and population. Its 3.7 million inhabitants make it the European Union's most populous city, according to population within city limits. One of Germany's sixteen constitue ...
in 1905, so Lewin and his brothers could receive a better education. From 1905 to 1908, Lewin studied at the
Kaiserin Augusta Gymnasium The Kaiserin Augusta Gymnasium Berlin was a German school based in Charlottenburg, a locality of Berlin. It started in 1818 as a private school, founded by Ludwig Cauer (educator), Ludwig Cauer. In 1869, it expanded and became a gymnasium. In 1876 ...
, where he received a classical humanistic education. In 1909, he entered the
University of Freiburg The University of Freiburg (colloquially german: Uni Freiburg), officially the Albert Ludwig University of Freiburg (german: Albert-Ludwigs-Universität Freiburg), is a public university, public research university located in Freiburg im Breisg ...
to study medicine, but transferred to the
University of Munich The Ludwig Maximilian University of Munich (simply University of Munich or LMU; german: Ludwig-Maximilians-Universität München) is a public research university in Munich, Germany. It is Germany's List of universities in Germany, sixth-oldest u ...
to study biology. He became involved with the socialist movement and
women's rights Women's rights are the rights and entitlements claimed for women and girls worldwide. They formed the basis for the women's rights movement in the 19th century and the feminist movements during the 20th and 21st centuries. In some countries, ...
around this time. In April 1910, he transferred to the Royal Friedrich-Wilhelms University of Berlin, where he was still a medical student. By the Easter semester of 1911, his interests had shifted toward philosophy. By the summer of 1911, the majority of his courses were in psychology. While at the University of Berlin, Lewin took 14 courses with
Carl Stumpf Carl Stumpf (; 21 April 1848 – 25 December 1936) was a German philosopher, psychologist and musicologist. He is noted for founding the Berlin School of Experimental Psychology. He studied with Franz Brentano at the University of Würzburg bef ...
(1848–1936). He served in the German army when
World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...
began. Due to a war wound, he returned to the
University of Berlin Humboldt-Universität zu Berlin (german: Humboldt-Universität zu Berlin, abbreviated HU Berlin) is a German public research university in the central borough of Mitte in Berlin. It was established by Frederick William III on the initiative o ...
to complete his PhD. Lewin wrote a dissertation proposal asking Stumpf to be his supervisor, and Stumpf assented. Even though Lewin worked under Stumpf to complete his dissertation, their relationship did not involve much communication. Lewin studied associations, will, and intention for his dissertation, but he did not discuss it with Stumpf until his final doctoral examination.


Career and personal life

In 1917, Lewin married Maria Landsberg. In 1919, the couple had a daughter Esther Agnes, and in 1922, their son Fritz Reuven was born. They divorced around 1927, and Maria immigrated to Palestine with the children. In 1929, Lewin married Gertrud Weiss. Their daughter Miriam was born in 1931, and their son Daniel was born in 1933. Lewin had originally been involved with schools of behavioral psychology before changing directions in research and undertaking work with psychologists of the Gestalt school of psychology, including
Max Wertheimer Max Wertheimer (April 15, 1880 – October 12, 1943) was an Austro-Hungarian psychologist who was one of the three founders of Gestalt psychology, along with Kurt Koffka and Wolfgang Köhler. He is known for his book, ''Productive Thinking'', and ...
and Wolfgang Kohler. He also joined the Psychological Institute of the University of Berlin where he lectured and gave seminars on both philosophy and psychology. He served as a professor at the University of Berlin from 1926 to 1932, during which time he conducted experiments about tension states, needs, motivation, and learning. In 1933, Lewin had tried to negotiate a teaching position as the chair of psychology as well as the creation of a research institute at the
Hebrew University The Hebrew University of Jerusalem (HUJI; he, הַאוּנִיבֶרְסִיטָה הַעִבְרִית בִּירוּשָׁלַיִם) is a public research university based in Jerusalem, Israel. Co-founded by Albert Einstein and Dr. Chaim Weiz ...
. Lewin often associated with the early
Frankfurt School The Frankfurt School (german: Frankfurter Schule) is a school of social theory and critical philosophy associated with the Institute for Social Research, at Goethe University Frankfurt in 1929. Founded in the Weimar Republic (1918–1933), dur ...
, originated by an influential group of largely Jewish
Marxist Marxism is a Left-wing politics, left-wing to Far-left politics, far-left method of socioeconomic analysis that uses a Materialism, materialist interpretation of historical development, better known as historical materialism, to understand S ...
s at the
Institute for Social Research The Institute for Social Research (german: Institut für Sozialforschung, IfS) is a research organization for sociology and continental philosophy, best known as the institutional home of the Frankfurt School and critical theory. Currently a pa ...
in Germany. But when
Hitler Adolf Hitler (; 20 April 188930 April 1945) was an Austrian-born German politician who was dictator of Germany from 1933 until his death in 1945. He rose to power as the leader of the Nazi Party, becoming the chancellor in 1933 and then ...
came to power in Germany in 1933 the Institute members had to disband, moving to England and then to America. In that year, he met with
Eric Trist Eric Lansdown Trist (11 September 1909 – 4 June 1993) was an English scientist and leading figure in the field of organizational development (OD). He was one of the founders of the Tavistock Institute for Social Research in London. Biograph ...
, of the London
Tavistock Clinic The Tavistock and Portman NHS Foundation Trust is a specialist mental health trust based in north London. The Trust specialises in talking therapies. The education and training department caters for 2,000 students a year from the United Kin ...
. Trist was impressed with his theories and went on to use them in his studies on soldiers during the Second World War. Lewin immigrated to the
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...
in August 1933 and became a
naturalized citizen Naturalization (or naturalisation) is the legal act or process by which a non-citizen of a country may acquire citizenship or nationality of that country. It may be done automatically by a statute, i.e., without any effort on the part of the in ...
in 1940. A few years after relocating to America, Lewin began asking people to pronounce his name as "Lou-in" rather than "Le-veen" because the mispronunciation of his name by Americans had led to many missed phone calls. However, shortly before his death, he began requesting students and colleagues to use the correct pronunciation ("Le-veen") because that is the one he preferred. Earlier, he had spent six months as a visiting professor at
Stanford Stanford University, officially Leland Stanford Junior University, is a private research university in Stanford, California. The campus occupies , among the largest in the United States, and enrolls over 17,000 students. Stanford is considere ...
in 1930, but on his immigration to the United States, Lewin worked at
Cornell University Cornell University is a private statutory land-grant research university based in Ithaca, New York. It is a member of the Ivy League. Founded in 1865 by Ezra Cornell and Andrew Dickson White, Cornell was founded with the intention to teach an ...
and for the
Iowa Child Welfare Research Station The Iowa Child Welfare Research Station attached to the University of Iowa conducted pioneering research into child development and child psychology during the 20th century. German-American psychologist Kurt Zadek Lewin worked there and Robert ...
at the
University of Iowa The University of Iowa (UI, U of I, UIowa, or simply Iowa) is a public university, public research university in Iowa City, Iowa, United States. Founded in 1847, it is the oldest and largest university in the state. The University of Iowa is org ...
. Later, he became director of the Center for Group Dynamics at
MIT The Massachusetts Institute of Technology (MIT) is a private land-grant research university in Cambridge, Massachusetts. Established in 1861, MIT has played a key role in the development of modern technology and science, and is one of the m ...
. Following
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
, Lewin was involved in the psychological rehabilitation of former occupants of displaced persons camps with Dr. Jacob Fine at
Harvard Medical School Harvard Medical School (HMS) is the graduate medical school of Harvard University and is located in the Longwood Medical Area of Boston, Massachusetts. Founded in 1782, HMS is one of the oldest medical schools in the United States and is consi ...
. When Trist and A T M Wilson wrote to Lewin proposing a
journal A journal, from the Old French ''journal'' (meaning "daily"), may refer to: *Bullet journal, a method of personal organization *Diary, a record of what happened over the course of a day or other period *Daybook, also known as a general journal, a ...
in partnership with their newly founded
Tavistock Institute The Tavistock Institute of Human Relations is a British not-for-profit organisation that applies social science to contemporary issues and problems. It was initiated in 1946, when it developed from the Tavistock Clinic, and was formally establ ...
and his group at MIT, Lewin agreed. The Tavistock journal, ''
Human Relations The concept of interpersonal relationship involves social associations, connections, or affiliations between two or more people. Interpersonal relationships vary in their degree of intimacy or self-disclosure, but also in their duration, in t ...
'', was founded with two early papers by Lewin entitled "Frontiers in Group Dynamics". Lewin taught for a time at
Duke University Duke University is a private research university in Durham, North Carolina. Founded by Methodists and Quakers in the present-day city of Trinity in 1838, the school moved to Durham in 1892. In 1924, tobacco and electric power industrialist James ...
. Lewin died in Newtonville,
Massachusetts Massachusetts (Massachusett language, Massachusett: ''Muhsachuweesut assachusett writing systems, məhswatʃəwiːsət'' English: , ), officially the Commonwealth of Massachusetts, is the most populous U.S. state, state in the New England ...
, of heart failure in 1947. He was buried in
Mount Auburn Cemetery Mount Auburn Cemetery is the first rural cemetery, rural, or garden, cemetery in the United States, located on the line between Cambridge, Massachusetts, Cambridge and Watertown, Massachusetts, Watertown in Middlesex County, Massachusetts, Middl ...
in
Cambridge, Massachusetts Cambridge ( ) is a city in Middlesex County, Massachusetts, United States. As part of the Boston metropolitan area, the cities population of the 2020 U.S. census was 118,403, making it the fourth most populous city in the state, behind Boston, ...
. His wife died in 1987.


Work

Lewin coined the notion of
genidentity As introduced by Kurt Lewin, genidentity is an ''existential relationship'' underlying the genesis of an object from one moment to the next. What we usually consider to be an object really consists of multiple entities, which are the phases of the ...
, which has gained some importance in various theories of
space-time In physics, spacetime is a mathematical model that combines the three-dimensional space, three dimensions of space and one dimension of time into a single four-dimensional manifold. Minkowski diagram, Spacetime diagrams can be used to visualize S ...
and related fields. For instance, he introduced the concept of hodological space or the simplest route achieved through the resolution of different field of forces, oppositions, and tensions according to their goals. Lewin also proposed
Herbert Blumer Herbert George Blumer (March 7, 1900 – April 13, 1987) was an American sociologist whose main scholarly interests were symbolic interactionism and methods of social research. Believing that individuals create social reality through collective ...
's interactionist perspective of 1937 as an alternative to the
nature versus nurture Nature versus nurture is a long-standing debate in biology and society about the balance between two competing factors which determine fate: genetics (nature) and environment (nurture). The alliterative expression "nature and nurture" in English h ...
debate. Lewin suggested that neither nature (inborn tendencies) nor nurture (how
experience Experience refers to conscious events in general, more specifically to perceptions, or to the practical knowledge and familiarity that is produced by these conscious processes. Understood as a conscious event in the widest sense, experience involv ...
s in
life Life is a quality that distinguishes matter that has biological processes, such as signaling and self-sustaining processes, from that which does not, and is defined by the capacity for growth, reaction to stimuli, metabolism, energ ...
shape individuals) alone can account for individuals' behavior and personalities, but rather that both nature and nurture interact to shape each person. This idea was presented in the form of
Lewin's equation Lewin's equation, ''B'' = ''f''(''P'', ''E''), is a heuristic formula proposed by psychologist Kurt Lewin as an explanation of what determines behavior. Description The formula states that behavior is a function of the person and ...
for behavior, ''B'' = ''ƒ''(''P'', ''E''), which means that behavior (B) is a function (f) of personal characteristics (P), and environmental characteristics (E). First and foremost, Kurt Lewin was an applied researcher and practical theorist. Most scholars of the time reveled in the fear that devoting oneself to applied research would distract the discipline from basic research on scholarly problems – thus creating this false binary regarding for whom knowledge is created, whether it was for the perpetuation of the discipline or for application. Despite this debate within the
social science Social science is one of the branches of science, devoted to the study of societies and the relationships among individuals within those societies. The term was formerly used to refer to the field of sociology, the original "science of soc ...
s at the time, Lewin argued that "applied research could be conducted with rigor and that one could test theoretical propositions in applied research." The root of this particular binary seemed to stem from the epistemological norms present within the hard sciences – where the distinction was much more pronounced; Kurt Lewin argued that this was contrary to the nature of the social sciences. Furthermore, with the help of scholars like
Paul Lazarsfeld Paul Felix Lazarsfeld (February 13, 1901August 30, 1976) was an Austrian-American sociologist. The founder of Columbia University's Bureau of Applied Social Research, he exerted influence over the techniques and the organization of social resea ...
, there was a method through which money could be acquired for research in a sustainable manner. Lewin has encouraged researchers to develop theories that can be used to address important social problems. To demonstrate his dedication to applied research and to further prove that there was value in testing his theoretical propositions, Lewin became a "master at transposing an everyday problem into a psychological experiment". Lewin, in his beginnings, took a seemingly banal moment between himself and a waiter and turned it into the beginnings of his field research. In this particular incident, Lewin reasoned that the "intention to carry out a specific task builds a psychological tension, which is released when the intended task is completed" in tandem with when
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 ...
theorized that "wishes persist until they are satisfied." This happenstance observation started the demonstration of the "existence of psychic tensions", fundamental to Lewin's field theory. While applied research helped develop Lewin into a practical theorist, what further defined him as an academic and a forerunner was his ''action research'' – a term he invented himself. Lewin was increasingly interested in the concepts of Jewish migration and identity. He was confused by the concept of how while an individual distanced themselves from performing the Jewish identity in terms of religious expression and performance, they were still considered Jewish in the eyes of
Nazis Nazism ( ; german: Nazismus), the common name in English for National Socialism (german: Nationalsozialismus, ), is the far-right totalitarian political ideology and practices associated with Adolf Hitler and the Nazi Party (NSDAP) in Na ...
. This concept of denying one's identity and the promotion of self-loathing as a form of coping with a dominant group's oppression represented the crisis of Lewin's own migration to the United States. Lewin, as his student and colleague Ron Lippitt described, "had a deep sensitivity to social problems and a commitment to use his resources as a social scientist to do something about them. Thus in the early 1940s he drew a triangle to represent the interdependence of research, training, and action in producing social change." This diagramming of an academic's interests and actions within this triangulation yields an interesting part of accessing Lewin and his contributions. Rather than noting social justice as the beginning or the end, it was ingrained in every single academic action that Lewin took. It was this particular world view and paradigm that furthered his research and determined precisely how he was going to utilize the findings from his field research. Furthermore, it all reflected upon Lewin the man and his way of coping with the events of his time period. This devotion to action research was possibly a way of resolving a dissonance of his own passage to America and how he left his own back in present-day Poland. Prominent psychologists mentored by Lewin included
Leon Festinger Leon Festinger (8 May 1919 – 11 February 1989) was an American social psychologist who originated the theory of cognitive dissonance and social comparison theory. The rejection of the previously dominant behaviorist view of social psychology ...
(1919–1989), who became known for his
cognitive dissonance In the field of psychology, cognitive dissonance is the perception of contradictory information, and the mental toll of it. Relevant items of information include a person's actions, feelings, ideas, beliefs, values, and things in the environment. ...
theory (1956), environmental psychologist
Roger Barker Roger Garlock Barker (1903 – 1990) was a social scientist, a founder of environmental psychology and a leading figure in the field for decades, perhaps best known for his development of the concept of behavior settings and staffing theory. He w ...
,
Bluma Zeigarnik Bluma Wulfovna Zeigarnik (russian: Блю́ма Ву́льфовна Зейга́рник, p=ˈblʲumə ˈvulʲfəvnə zʲɪjˈɡarnʲɪk; 9 November Old_Style_and_New_Style_dates">O.S._27_October.html" ;"title="Old_Style_and_New_Style_dates.htm ...
, and
Morton Deutsch Morton Deutsch (February 4, 1920 – March 13, 2017) was an American social psychologist and researcher in conflict resolution. Deutsch was one of the founding fathers of the field of conflict resolution. A '' Review of General Psychology'' surve ...
, the founder of modern conflict resolution theory and practice.


Force-field analysis

Force-field analysis In social science, force-field analysis provides a framework for looking at the factors ("forces") that influence a situation, originally social situations. It looks at forces that are either driving movement toward a goal (helping forces) or block ...
provides a framework for looking at the factors ("forces") that influence a situation, originally social situations. It looks at forces that are either driving movement toward a
goal A goal is an idea of the future or desired result that a person or a group of people envision, plan and commit to achieve. People endeavour to reach goals within a finite time by setting deadlines. A goal is roughly similar to a purpose or ai ...
(helping forces) or blocking movement toward a goal (hindering forces). Key to this approach was Lewin's interest in
gestaltism Gestalt-psychology, gestaltism, or configurationism is a school of psychology that emerged in the early twentieth century in Austria and Germany as a theory of perception that was a rejection of basic principles of Wilhelm Wundt's and Edwar ...
, understanding the totality and assessing a situation as a whole and not focusing only on individual aspects. Further, the totality for an individual (their life space) derives from their perception of their reality, not an objective viewpoint. The approach, developed by Kurt Lewin, is a significant contribution to the fields of social science, psychology,
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 development Organization development (OD) is the study and implementation of practices, systems, and techniques that affect organizational change, the goal of which is to modify an organization's performance and/or culture. The organizational changes are ...
, process management, and
change management Change management (sometimes abbreviated as CM) is a collective term for all approaches to prepare, support, and help individuals, teams, and organizations in making organizational change. It includes methods that redirect or redefine the use of ...
. His theory was expanded by John R. P. French who related it to organizational and industrial settings.


Action research

Lewin, then a professor at MIT, first coined the term ''
action research Action research is a philosophy and methodology of research generally applied in the social sciences. It seeks transformative change through the simultaneous process of taking action and doing research, which are linked together by critical refle ...
'' in about 1944, and it appears in his 1946 paper "Action Research and Minority Problems". In that paper, he described action research as "a comparative research on the conditions and effects of various forms of social action and research leading to social action" that uses "a spiral of steps, each of which is composed of a circle of planning, action, and fact-finding about the result of the action" (this is sometimes referred to as the ''Lewinian spiral'').


Leadership climates

Lewin often characterized organizational
management Management (or managing) is the administration of an organization, whether it is a business, a nonprofit organization, or a government body. It is the art and science of managing resources of the business. Management includes the activities o ...
styles and
culture Culture () is an umbrella term which encompasses the social behavior, institutions, and norms found in human societies, as well as the knowledge, beliefs, arts, laws, customs, capabilities, and habits of the individuals in these groups.Tyl ...
s in terms of
leadership Leadership, both as a research area and as a practical skill, encompasses the ability of an individual, group or organization to "lead", influence or guide other individuals, teams, or entire organizations. The word "leadership" often gets view ...
climates defined by (1)
authoritarian Authoritarianism is a political system characterized by the rejection of political plurality, the use of strong central power to preserve the political ''status quo'', and reductions in the rule of law, separation of powers, and democratic votin ...
, (2) democratic and (3)
laissez-faire ''Laissez-faire'' ( ; from french: laissez faire , ) is an economic system in which transactions between private groups of people are free from any form of economic interventionism (such as subsidies) deriving from special interest groups. ...
work environments. He is often confused with McGregor with his work environments, but McGregor adapted them directly to leadership-theory. Authoritarian environments are characterized where the leader determines policy with techniques and steps for work tasks dictated by the leader in the
division of labor The division of labour is the separation of the tasks in any economic system or organisation so that participants may specialise (specialisation). Individuals, organizations, and nations are endowed with, or acquire specialised capabilities, and ...
. The leader is not necessarily hostile but is aloof from participation in work and commonly offers personal praise and criticism for the work done. Democratic climates are characterized where policy is determined through collective processes with decisions assisted by the leader. Before accomplishing tasks, perspectives are gained from group discussion and technical advice from a leader. Members are given
choice A choice is the range of different things from which a being can choose. The arrival at a choice may incorporate motivators and models. For example, a traveler might choose a route for a journey based on the preference of arriving at a giv ...
s and
collective A collective is a group of entities that share or are motivated by at least one common issue or interest, or work together to achieve a common objective. Collectives can differ from cooperatives in that they are not necessarily focused upon an ...
ly decide the division of labor.
Praise Praise as a form of social interaction expresses recognition, reassurance or admiration. Praise is expressed verbally as well as by body language (facial expression and gestures). Verbal praise consists of a positive evaluations of another's a ...
and
criticism Criticism is the construction of a judgement about the negative qualities of someone or something. Criticism can range from impromptu comments to a written detailed response. , ''"the act of giving your opinion or judgment about the good or bad q ...
in such an environment are
objective Objective may refer to: * Objective (optics), an element in a camera or microscope * ''The Objective'', a 2008 science fiction horror film * Objective pronoun, a personal pronoun that is used as a grammatical object * Objective Productions, a Brit ...
, fact minded and given by a group member without necessarily having participated extensively in the actual work. Laissez-faire environments give freedom to the group for policy determination without any participation from the leader. The leader remains uninvolved in work decisions unless asked, does not participate in the division of labor, and very infrequently gives praise.


Change process

An early model of change developed by Lewin described
change Change or Changing may refer to: Alteration * Impermanence, a difference in a state of affairs at different points in time * Menopause, also referred to as "the change", the permanent cessation of the menstrual period * Metamorphosis, or change, ...
as a three-stage process. The first stage he called "unfreezing". It involved overcoming inertia and dismantling the existing "mind set". It must be part of surviving. Defense mechanisms have to be bypassed. In the second stage the change occurs. This is typically a period of confusion and transition. We are aware that the old ways are being challenged but we do not have a clear picture as to what we are replacing them with yet. The third and final stage he called "freezing". The new mindset is crystallizing and one's comfort level is returning to previous levels. This is often misquoted as "refreezing" (se
Lewin,1947
. Lewin's three-step process is regarded as a foundational model for making change in organizations. There is now evidence, however, that Lewin never developed such a model and that it took form after his death in 1947.


Sensitivity Training

While working at MIT in 1946, Lewin received a phone call from the director of the Connecticut State Inter Racial Commission requesting help to find an effective way to combat religious and racial prejudices. He set up a workshop to conduct a "change" experiment, which laid the foundations for what is now known as
sensitivity training Sensitivity training is a form of training with the goal of making people more aware of their own goals as well as their prejudices, and more sensitive to others and to the dynamics of group interaction. Origins Kurt Lewin laid the foundations fo ...
.Lasch-Quinn, E. (2001) ''Race Experts: How Racial Etiquette, Sensitivity Training, and New Age Therapy Hijacked the Civil Rights Revolution'', New York, W. W. Norton. In 1947, this led to the establishment of the
National Training Laboratories Kurt Lewin founded the National Training Laboratories Institute for Applied Behavioral Science, known as the NTL Institute, an American non-profit behavioral psychology center, in 1947. NTL became a major influence in modern corporate training prog ...
, at
Bethel, Maine Bethel is a town in Oxford County, Maine, United States. The population was 2,504 at the 2020 census. It includes the villages of Bethel and West Bethel. The town is home to Gould Academy, a private preparatory school, and is near the Sun ...
.
Carl Rogers Carl Ransom Rogers (January 8, 1902 – February 4, 1987) was an American psychologist and among the founders of the humanistic approach (and client-centered approach) in psychology. Rogers is widely considered one of the founding fathers of ps ...
believed that sensitivity training is "perhaps the most significant social invention of this century."


Lewin's equation

Lewin's equation Lewin's equation, ''B'' = ''f''(''P'', ''E''), is a heuristic formula proposed by psychologist Kurt Lewin as an explanation of what determines behavior. Description The formula states that behavior is a function of the person and ...
, ''B'' = ''ƒ''(''P'', ''E''), is a psychological equation of behavior developed by Kurt Lewin. It states that behavior is a
function Function or functionality may refer to: Computing * Function key, a type of key on computer keyboards * Function model, a structured representation of processes in a system * Function object or functor or functionoid, a concept of object-oriente ...
of the
person A person ( : people) is a being that has certain capacities or attributes such as reason, morality, consciousness or self-consciousness, and being a part of a culturally established form of social relations such as kinship, ownership of property, ...
in their
environment Environment most often refers to: __NOTOC__ * Natural environment, all living and non-living things occurring naturally * Biophysical environment, the physical and biological factors along with their chemical interactions that affect an organism or ...
. The equation is the psychologist's most well known formula in social psychology, of which Lewin was a modern pioneer. When first presented in Lewin's book ''Principles of Topological Psychology'', published in 1936, it contradicted most popular theories in that it gave importance to a person's momentary situation in understanding his or her behavior, rather than relying entirely on the past.


Group dynamics

In a 1947 article, Lewin coined the term "
group dynamics Group dynamics is a system of behaviors and psychological processes occurring within a social group (''intra''group dynamics), or between social groups ( ''inter''group dynamics). The study of group dynamics can be useful in understanding decision- ...
". He described this notion as the way that groups and individuals act and react to changing circumstances. This field emerged as a concept dedicated to the advancement of knowledge regarding the nature of groups, their laws, establishment, development, and interactions with other groups, individuals and institutions. During the early years of research on group processes, many psychologists rejected the reality of group phenomena. Critics shared the opinion that groups did not exist as scientifically valid entities. It had been said by skeptics that the actions of groups were nothing more than those of its members considered separately. Lewin applied his interactionism formula, ''B'' = ''ƒ''(''P'', ''E''), to explain group phenomena, where a member's personal characteristics (''P'') interact with the environmental factors of the group, (''E'') its members, and the situation to elicit behaviour (''B''). Given his background in
Gestalt psychology Gestalt-psychology, gestaltism, or configurationism is a school of psychology that emerged in the early twentieth century in Austria and Germany as a theory of perception that was a rejection of basic principles of Wilhelm Wundt's and Edward T ...
, Lewin justified group existence using the dictum "The whole is greater than the sum of its parts". He theorized that when a group is established it becomes a unified system with supervening qualities that cannot be understood by evaluating members individually. This notion – that a group is composed of more than the sum of its individual members – quickly gained support from sociologists and psychologists who understood the significance of this emerging field. Many pioneers noted that the majority of group phenomena could be explained according to Lewin's equation and insight and opposing views were hushed. The study of group dynamics remains relevant in today's society where a vast number of professions (e.g., business and industry, clinical/counseling psychology, sports and recreation) rely on its mechanisms to thrive. The most notable of Lewin's contributions was his development of group communication and group dynamics as major facets of the communication discipline. Lewin and his associated researchers shifted from the pre-existing trend of individualist psychology and then expanded their work to incorporate a macro lens where they focused on the "social psychology of small group communication" (Rogers 1994). Lewin is associated with "founding research and training in group dynamics and for establishing the participative management style in organizations". He carved out this niche for himself from his various experiments. In his Berlin research, Lewin utilized "group discussions to advance his theory in research." In doing so, there was certainly the complication of not knowing exactly whom to attribute epiphanies to as an idea collectively came into fruition. In addition to group discussions, he became increasingly interested in group membership. He was curious as to how perspectives of an individual in relation to the group were solidified or weakened. He tried to come up with the way identity was constructed from standpoint and perspectives. These were the beginnings of what ended up developing into "groupthink". Lewin started to become quite interested in how ideas were created and then perpetuated by the mentality of a group. Not included in this chapter is how important this became in looking at group dynamics across disciplines – including studying John F Kennedy and the way he tried to interact with his advisors in order to prevent groupthink from occurring.Janis, I.L. (1982). ''Groupthink''


Major publications

* Lewin, K. (1935)
A dynamic theory of personality
New York:
McGraw-Hill McGraw Hill is an American educational publishing company and one of the "big three" educational publishers that publishes educational content, software, and services for pre-K through postgraduate education. The company also publishes referenc ...
. * Lewin, K. (1936)
Principles of topological psychology
New York:
McGraw-Hill McGraw Hill is an American educational publishing company and one of the "big three" educational publishers that publishes educational content, software, and services for pre-K through postgraduate education. The company also publishes referenc ...
. * Lewin, K. (1938)
The conceptual representation and measurement of psychological forces
Durham, NC:
Duke University Press Duke University Press is an academic publisher and university press affiliated with Duke University. It was founded in 1921 by William T. Laprade as The Trinity College Press. (Duke University was initially called Trinity College). In 1926 Du ...
. * Lewin, K., and Gertrude W. Lewin (Ed.) (1948)
Resolving social conflicts: selected papers on group dynamics (1935–1946)
New York:
Harper and Brothers Harper is an American publishing house, the flagship imprint of global publisher HarperCollins based in New York City. History J. & J. Harper (1817–1833) James Harper and his brother John, printers by training, started their book publishin ...
. * Lewin, K., and Dorwin Cartwright (Ed.) (1951)
Field theory in social science
New York:
Harper Harper may refer to: Names * Harper (name), a surname and given name Places ;in Canada * Harper Islands, Nunavut *Harper, Prince Edward Island ;In the United States *Harper, former name of Costa Mesa, California in Orange County * Harper, Il ...
. * Lewin, K. (1997)
Resolving social conflicts & Field theory in social science
Washington, D.C:
American Psychological Association The American Psychological Association (APA) is the largest scientific and professional organization of psychologists in the United States, with over 133,000 members, including scientists, educators, clinicians, consultants, and students. It ha ...
. * Lewin, K., and Martin Gold (Ed.). (1999)
The complete social scientist: a Kurt Lewin reader
Washington, DC:
American Psychological Association The American Psychological Association (APA) is the largest scientific and professional organization of psychologists in the United States, with over 133,000 members, including scientists, educators, clinicians, consultants, and students. It ha ...
. * Lewin, K., (1980). Kurt Lewin Werkausgabe in German (Kurt Lewin Collected Works) Ed. Karl Friedrich Graumann, Stuttgart, Klett; 4 Issues, contains several works, which were published from the estate or never translated into english * Lewin, K. (2009). Kurt Lewin Schriften zur angewandten Psychologie. Aufsätze, Vorträge, Rezensionen in German, Ed. Helmut E. Lück, Vienna, Verlag Wolfgang Krammer, ; contains several unpublished articles


See also

*
Berlin School of experimental psychology The Berlin School of Experimental Psychology is founded by Carl Stumpf, a pupil of Franz Brentano and Hermann Lotze and a professor at the University of Berlin. It adhered to the method of experimental phenomenology, which understood it as the scien ...
*
Approach-avoidance conflict Approach-avoidance conflicts as elements of stress (biology), stress were first introduced by psychologist Kurt Lewin, one of the founders of modern social psychology. Overview Approach-avoidance conflicts occur when there is one goal or event that ...
*
Ecological systems theory Ecological systems theory (also called development in context or human ecology theory) was developed by Urie Bronfenbrenner. It offers a framework through which community psychologists examine individuals' relationships within communities and th ...
* Macy conferences * Maintenance actions *
Decision field theory Decision field theory (DFT) is a dynamic-cognitive approach to human decision making. It is a cognitive model that describes how people actually make decisions rather than a rational or normative theory that prescribes what people should or ought ...
*
Valence (psychology) Valence, or hedonic tone, is the affective quality referring to the intrinsic attractiveness/"good"-ness (positive valence) or averseness/"bad"-ness (negative valence) of an event, object, or situation. The term also characterizes and categor ...


References


Further reading

* Burnes B., "Kurt Lewin and the Planned Approach to Change: A Re-appraisal", Journal of Management Studies (41:6 September 2004), Manchester, 2004. * Crosby, G. "Planned Change: Why Kurt Lewin's Social Science is Still Best Practice for Business Results, Change Management, and Human Progress." (2021) (
Routledge Routledge () is a British multinational publisher. It was founded in 1836 by George Routledge, and specialises in providing academic books, journals and online resources in the fields of the humanities, behavioural science, education, law, and ...
* Foschi R., Lombardo G.P. (2006), Lewinian contribution to the study of personality as the alternative to the mainstream of personality psychology in the 20th century. In: Trempala, J., Pepitone, A. Raven, B. Lewinian Psychology. (vol. 1, pp. 86–98). Bydgoszcz: Kazimierz Wielki University Press. * Janis, I. L. (1982). Groupthink: Psychological Studies of Policy Decisions and Fiascoes. Boston: Houghton Mifflin. ISBN 0-395-31704-5. * Kaufmann, Pierre, ''Kurt Lewin. Une théorie du champ dans les sciences de l’homme'', Paris, Vrin, 1968. * Marrow, Alfred J.''The Practical Theorist: The Life and Work of Kurt Lewin'' (1969, 1984) ( Alfred J. Marrow studied as one of Lewin's students) * Trempala, J., Pepitone, A. Raven, B. Lewinian Psychology. Bydgoszcz: Kazimierz Wielki University Press. * White, Ralph K., and Ronald O. Lippitt, ''Autocracy and Democracy'' (1960, 1972) (White and Lippitt carried out the research described here under Lewin as their thesis-advisor; Marrow's book also briefly describes the same work in chapter 12.) * Weisbord, Marvin R., ''Productive Workplaces Revisited'' (2004) (Chapters 4: Lewin: the Practical Theorist, Chapter 5: The pig Organization: Lewin's Legacy to Management.) *


External links


The Kurt Lewin Center for Psychological Research
at Kazimierz Wielki University
International Conference on "Kurt Lewin: Contribution to Contemporary Psychology"



Kurt Lewin Foundation
(an NGO promoting tolerance)
Kurt Lewin Institute
(a graduate student training institute in social psychology in the Netherlands) {{DEFAULTSORT:Lewin, Kurt 1890 births 1947 deaths German Jewish military personnel of World War I 20th-century American psychologists Cornell University faculty Duke University faculty Jewish emigrants from Nazi Germany to the United States German psychologists Jewish American social scientists Jewish philosophers Gestalt psychologists Social psychologists Systems psychologists People from Mogilno 20th-century German scientists 20th-century American Jews