AP Psychology Psychologists

Carl Jung

1875-1961; Field: neo-Freudian, analytic psychology; Contributions: people had conscious and unconscious awareness; archetypes; collective unconscious; libido is all types of energy, not just sexual; Studies: dream studies/interpretation

Erik Erikson

1902-1994; Field: neo-Freudian, humanistic; Contributions: created an 8-stage theory to show how people evolve through the life span. Each stage is marked by a psychological crisis that involves confronting "Who am I?

Lawrence K�hlberg

1927-1987; Field: cognition, moral development; Contributions: created a theory of moral development that has 3 levels; focuses on moral reasoning rather than overt behavior

Sigmund Freud

1856-1939; Field: psychoanalytic, personality; Contributions: id/ego/superego, reality and pleasure principles, ego ideal, defense mechanisms (expanded by Anna Freud), psychoanalysis, transference

Anna Freud

1895-1982; Field: psychoanalysis; Contributions: focused on child psychoanalysis, fully developed defense mechanisms, emphasized importance of the ego and its constant struggle

Carol Gilligan

1936-pres; Field: cognition; Contributions: maintained that K�hlberg's work was developed by only observing boys and overlooked potential differences between the habitual moral judgments of boys and girls; girls focus more on relationships than laws and p

William James

1842-1910; Field: functionalism; Contributions: studied how humans use perception to function in our environment; Studies: Pragmatism, The Meaning of Truth

William Wundt

1832-1920; Field: structuralism, voluntarism; Contributions: introspection, basic units of experience; Studies: 1st psychological laboratory in world at University of Leipzig

BF Skinner

1904-1990; Field: behavioral; Contributions: created techniques to manipulate the consequences of an organism's behavior in order to observe the effects of subsequent behavior; Studies: Skinner box

John B Watson

1878-1958; Field: behaviorism; Contributions: generalization-inductive reasoning, emphasis on external behaviors of people and their reactions on a given situation; Studies: Little Albert

Jean Piaget

1896-1980; Field: cognition; Contributions: created a 4-stage theory of cognitive development, said that two basic processes work in tandem to achieve cognitive growth (assimilation and accommodation)

Harry Harlow

1905-1981; Field: development; Contributions: realized that touch is preferred in development; Studies: Rhesus monkeys, studied attachment of infant monkeys (wire mothers v. cloth mothers)

Carl Rogers

1902-1987; Field: humanistic; Contributions: founded person-centered therapy, theory that emphasizes the unique quality of humans especially their freedom and potential for personal growth, unconditional positive regard, fully functioning person

Abraham Maslow

1908-1970; Field: humanism; Contributions: hierarchy of needs-needs at a lower level dominate an individual's motivation as long as they are unsatisfied, self-actualization, transcendence

Karen Horney

1885-1952; Field: neo-Freudian, psychodynamic; Contributions: criticized Freud, stated that personality is molded by current fears and impulses, rather than being determined solely by childhood experiences and instincts, neurotic trends

Alfred Adler

1870-1937; Field: neo-Freudian, psychodynamic; Contributions: basic mistakes, style of life, inferiority/superiority complexes, childhood influences personality formation; Studies: Birth Order

Solomon Asch

1907-1996; Field: social psychology; Contributions: studied conformity, found that individuals would conform even if they knew it was wrong; Studies: conformity, opinions and social pressures

Stanley Milgram

1933-1984; Field: social psychology; Contributions: wanted to see how the German soldiers in WWII fell to obedience, wanted to see how far individuals would go to be obedient; Studies: Shock Study

Philip Zimbardo

1933-present; Field: social psychology; Contributions: proved that peoples behavior depends to a large extent on the roles they are asked to play; Studies: Stanford Prison Study-studied power of social roles to influence people's behavior

Elizabeth K�bler-Ross

1926-2004; Field: development; Contributions: 5 stages the terminally ill go through when facing death (1. death, 2. anger/resentment, 3. bargaining with God, 4. depression, 5. acceptance)

Elizabeth Loftus

1944-present; Field: memory; Contributions: expert in eyewitness testimony (false memories or misinformation effect); Studies: Reconstruction of Auto. Destruction, Jane Doe Case (repressed memories of Nicole Taus' sex abuse)

Robert Sternberg

1949-present; Field: intelligence; Contributions: devised the Triarchic Theory of Intelligence (academic problem-solving, practical, and creative)

Albert Bandura

1925-present; Field: sociocultural; Contributions: pioneer in observational learning, stated that people profit from the mistakes/successes of others; Studies: Bobo Dolls-adults demonstrated 'appropriate' play with dolls, children mimicked play

Aaron Beck

1921-present; Field: cognitive; Contributions: father of Cognitive Therapy, created Beck Scales-depression inventory, hopelessness scale, suicidal ideation, anxiety inventory, and youth inventories

Noam Chomsky

1928-present; Field: language; Contributions: disagreed with Skinner about language acquisition, stated there is an infinite # of sentences in a language, humans have an inborn native ability to develop language

Edward Thorndike

1874-1949; Field: behaviorism; Contributions: Law of Effect-relationship between behavior and consequence; Studies: Law of Effect with cats

Mary Ainsworth

1913-1999; Field: development; Contributions: compared effects of maternal separation, devised patterns of attachment; Studies: The Strange Situation-observation of parent/child attachment

Howard Gardner

1943-present; Field: intelligence; Contributions: devised the theory of multiple intelligences (logical-mathematic, spatial, bodily-kinesthetic, intrapersonal, linguistic, musical, interpersonal, naturalistic)

Ivan Pavlov

1891-1951; Field: Gastroenterology; Contributions: developed foundation for classical conditioning, discovered that a UCS naturally elicits a reflexive behavior; Studies: dog salivation

Benjamin Whorf

1897-1941; Field: language; Contributions: his hypothesis is that language determines the way we think

Albert Ellis

1913-2007; Field: cognitive-behavioral; Contributions: Rational-Emotive Therapy (RET), focuses on altering client's patterns of irrational thinking to reduce maladaptive behavior and emotions

Alfred Binet

1857-1911; Field: testing; Contributions: general IQ tests, designed test to identify slow learners in need of remediation-not applicable in the U.S. because too culture-bound (French)

Little Albert

ca. 1920; Field: behaviorism; Contributions: subject in John Watson's experiment, proved classical conditioning principles: Studies: Little Albert-generalization of fear

Karl Wernicke

1848-1905; Field: perception; Contributions: area of left temporal lobe involved language understanding; Studies: person damaged in this area uses correct words but they do not make sense

Ernst Weber

1795-1878; Field: perception; Contributions: just-noticeable-difference (JND) that eventually becomes Weber's law; Studies: 1st study on JND

Francis Galton

1822-1911; Field: differential psychology AKA "London School" of Experimental Psychology; Contributions: behavioral genetics, maintains that personality & ability depend almost entirely on genetic inheritance; Studies: Twin Studies-compare identical &

Lewis Terman

1877-1956; Field: testing; Contributions: revised Binet's IQ test and established norms for American children

William Sheldon

1898-1977; Field: personality; Contributions: theory that linked personality to physique on the grounds that both are governed by genetic endowment: endomorphic (large), mesomorphic (average), and ectomorphic (skinny)

Walter B. Cannon

1871-1945; Field: motivation; Contributions: believed that gastric activity as in empty stomach, was the sole basis for hunger; Studies: inserted balloons in stomachs