1. Structuralism
   1. Wilhelm Wundt
   2. Titchener
2. Functionalism
   1. William James
3. Behaviorism
   1. John B. Watson
   2. Rosaline Rayner
   3. B.F. Skinner
   4. Little Albert
4. Humanistic
   1. Carl Rogers
   2. Abraham Maslow
5. Cognitive Neuroscience
6. how mental and behavioral processes function
7. Studying observable behavior
8. view based on a person's growth potential
9. Study on how cognition causes action
10. OTHER PERSPECTIVES:
    1. Biological
    2. Social Cultural
    3. Evolutionary