| A | B |
|---|
| William James | developed ideas of functionalism/wrote Principles of Psychology |
| G. Stanley Hall | First president of the APA |
| John B. Watson | claimed we should study only observable behavior/founder of behaviorism |
| B.F. Skinner | behaviorist who developed principles of operant conditioning |
| Mary Whiton Clakins | first woman president of the APA |
| Edward Titchener | founder of structuralism |
| Alfred Binet/Herbert Simon | developed first intelligence test |
| Max Wertheimer | founder of Gestalt psychology |
| Ivan Pavlov | developed principles of classical conditioning |
| Jean Piaget | studied child development |
| Abraham Maslow | founder of humanist perspective |
| Sigmund Freud | founder of psychoanalysis |
| Roger Sperry | studied split-brain research |
| Albert Bandura | developed social-learning theory (observational learning) |
| John Garcia | studied taste aversions |
| E.L. Thorndike | developed ideas of instrumental learning (studied cats) |
| James Olds | discovered a "pleasure center" in the brains of rats |
| E.C. Tolman | developed idea of latent learning |
| George Sperling | studied sensory memory/sensory register |
| Mary Ainsworth | studied separation anxiety |
