| A | B |
|---|
| behaviorism | focuses on observable actions |
| cognitive psychology | studies mental processes |
| humanistic psychology | focuses on individual free will |
| psychoanalysis | studies the unconscious mind |
| mechanism | How does the behavior occur? |
| adaptive value | How does the behavior benefit u? |
| ontogeny | Behavior changes over lifetime? |
| phylogeny | How did the behavior evolve? |
| 8-6 million years ago | Orrorin tugenesis |
| 5.5-5.8 million years ago | Australopithecus |
| 3.2-4 million years ago | Autralopithecus afarensis |
| 2.5-2.7 milliion years ago | Paranthropus |
| 2-1.8 million years ago | homo erectus |
| 1.6-600,000 years ago | homo sapiens |
