| A | B |
| Sigmund Freud | "free association" "id, ego, superego" "oedipus and electra complexes" |
| Carl Jung | "collective unconscious" "archtypes" |
| Alfred Adler | "inferiority complex" "individual complex" |
| Ivan Pavlov | "conditioned reflex" |
| John B. Watson | "behaviorism" |
| B. F. Skinner | "operant conditioning chamber (namesake box)" |
| Jean Piaget | "developmental psychology" |
| Erik Erikson | "eight stages of development" |
| Abraham Maslow | "heirarchy of needs" "self-actualization" |
| Stanley Milgram | "six degrees of separation" , namesake experiment involving electric shocks |