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Psychology Dictionary - Psychology Terms from A to Z

The glossary contains an A to Z listing of psychological terms with definitions and examples. Learn more about psychology one word and a time. Find both brief and extended definitions of a wide variety of psychological topics.

Terms included in the psychology dictionary cover every subject and sub-field of psychology, from research methods to child development. New terms are added regularly. Use the index below to navigate the psychology dictionary.

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
  1. A Index (41)
  2. B Index (14)
  3. C Index (36)
  4. D Index (17)
  5. E Index (17)
  6. F Index (12)
  7. G Index (11)
  8. H Index (14)
  9. I Index (16)
  10. J Index (3)
  11. K Index (3)
  12. L Index (13)
  13. M Index (13)
  14. N Index (8)
  15. O Index (10)
  16. P Index (27)
  17. Q Index (1)
  18. R Index (19)
  19. S Index (33)
  20. T Index (11)
  21. U Index (6)
  22. V Index (5)
  23. W Index (5)
  24. X Index (1)
  25. Y Index (3)
  26. Z Index (4)

Psychology Introduction
Psychology is an exceptionally broad topic, with numerous branches that explore very specific areas of the mind, brain and behavior. Learn more about some of the major specialty areas within psychology in these basic introductions, and then explore some of the major topics of interest for each branch of psychology.

Psychology Research Definitions You Should Know
Psychology research methods can be relatively simple or very complex, but there are a number of terms and concepts that all psychology students should understand. Check out the following list of the top psychology research method terms you need to know.

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