| Clue | Psychologist |
|---|
| Described three provinces of the mind, the id, ego, and superego | |
| Behaviorist associated with operant conditioning and social control | |
| Humanistic psychologist that is best known for his hierarchy of needs and self-actualization | |
| Developed the Objects Relation Theory | |
| Proposed the idea of archetypes | |
| Identified ten categories of neurotic needs | |
| Founder of client-centered therapy | |
| Developed the five-factor model of personality | |
| Developed the three-factor model of personality | |
| Proclaimed the dyanmic force behind behavior is striving for success or superiority | |
| Grouped personality traits into three main categories: central traits, secondary traits, and cardinal traits | |
| Created the first IQ test | |
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