When the amalgamation of the American Association of Applied Psychology (AAAP) and the American Psychological Association (APA) took place in 1945, the first 19 divisions listed below were shown in the first Bylaws as Charter Divisions. The division did not get formally organized, however, until 1948. Changes in name are indicated in parentheses.
1. General Psychology (became the Society for General Psychology in 1999)
2. Teaching of Psychology (became Society for the Teaching of Psychology in 1996)
3. Theoretical-Experimental Psychology (in 1949 Divisions 3 and 6 joined using the new name: Division 3, Experimental Psychology)
4. The Psychometric Society - A Division of the APA (decided not to become a division; 4 remains vacant)
5. Evaluation and Measurement (became Evaluation, Measurement and Statistics in 1989 when petitioners of a proposed division on assessment joined this division)
6. Physiological & Comparative Psychology (see Division 3; in 1962 Council approved a new Division 6 using the old name; changed to Behavioral Neuroscience and Comparative Psychology in 1995)
7. Childhood and Adolescence (changed to Developmental Psychology in 1954)
8. Personality & Social Psychology (changed to Society of Personality and Social Psychology in 1982)
9. The Society for the Psychological Study of Social Issues - A Division of APA
10. Esthetics (changed to Psychology and the Arts in 1965 and to the Society for the Psychology of Aesthetics, Creativity and the Arts in 2002)
11. Abnormal Psychology and Psychotherapy (a short life -- by 1946 it had joined Division 12 for the Division of Clinical and Abnormal Psychology; Division 11 remains vacant)
12. Clinical Psychology (see Division 11; in 1954 it became Clinical Psychology once more; in 1998 it became the Society of Clinical Psychology)
13. Consulting Psychology (changed to Society of Consulting Psychology in 2001)
14. Industrial and Business Psychology (changed to Industrial Psychology in 1960; to Industrial and Organizational Psychology in 1972; and to the Society for Industrial and Organizational Psychology, Inc. in 1983)
15. Educational Psychology
16. School Psychologists (changed to School Psychology in 1969)
17. Personnel and Guidance Psychologists (changed to Counseling and Guidance in 1951 and to Counseling Psychology in 1953 and to Society of Counseling Psychology in 2003)
18. Psychologists in Public Service
19. Military Psychology
Divisions 12, 13, 14, 15 and 19 were sections in the old AAAP; they go back to 1938, except for 19 which was probably set up in 1944. The AAAP members in military service were included after the lists of sections in the 1943 AAAP directory.
20. Psychology of Adulthood and Old Age (1945) (listed as Maturity and Old Age in 1946 and changed to Adult Development and Aging in 1970)
21. The Society of Engineering Psychologists -- a Division of the APA (1956) (changed to Division of Applied Experimental and Engineering Psychologists in 1983; and to Applied Experimental and Engineering Psychology in 1996)
22. National Council on Psychological Aspects of Disability -- a Division of the APA (1958) (changed to Psychological Aspects of Disability in 1960 and Rehabilitation Psychology in 1972)
23. Consumer Psychology (1960) (changed to the Society for Consumer Psychology in 1988)
24. Philosophical Psychology (1962) (changed to Theoretical and Philosophical Psychology in 1980)
25. Experimental Analysis of Behavior (1965) (changed to Division of Behavior Analysis in 2000)
26. History of Psychology (1966)
27. Community Psychology (1967) (changed to The Society for Community Research and Action - The Division of Community Psychology of the APA in 1990)
28. Psychopharmacology (1967) (changed to Psychopharmacology and Substance Abuse in 1990)
29. Psychotherapy (1968) (formerly Psychologists Interested in the Advancement of Psychotherapy)
30. Psychological Hypnosis (1969) (changed to Society of Psychological Hypnosis in 2001)
31. State Psychological Association Affairs (1969)
32. Humanistic Psychology (1972)
33. Mental Retardation (1973) (changed to Mental Retardation and Developmental Disabilities in 1989)
34. Population Psychology (1974) (changed to Population and Environmental Psychology in 1976)
35. Psychology of Women (1974) (changed to Society for the Psychology of Women in 1999)
36. Psychologists Interested in Religious Issues (1976) (changed to Psychology of Religion in 1992)
37. Child and Youth Services (1978) (changed to Child, Youth and Family Services in 1982)
38. Health Psychology (1978)
39. Psychoanalysis (1980)
40. Clinical Neuropsychology (1980)
41. Psychology and the Law (1981) (changed to the American Psychology-Law Society in 1984)
42. Psychologists in Independent Practice (1982)
43. Family Psychology (1985)
44. The Society for the Psychological Study of Lesbian and Gay Issues -- A Division of APA (1985) (changed to Society for the Psychological Study of Lesbian, Gay and Bisexual Issues -- A Division of APA in 1997)
45. The Society for the Psychological Study of Ethnic Minority Issues (1986)
46. Media Psychology (1986)
47. Exercise and Sport Psychology (1986)
48. Peace Psychology (1990) (changed to the Society for the Study of Peace, Conflict, and Violence: Peace Psychology Division in 1998)
49. Group Psychology and Group Psychotherapy (1991)
50. Division on Addictions (1993)
51. Society for the Psychological Study of Men and Masculinity (1995)
52. International Psychology (1997)
53. Clinical Child Psychology (1999) (changed to Society of Child Clinical and Adolescent Psychology in 2001)
54. Society of Pediatric Psychology (1999)
55. American Society for the Advancement of Pharmacotherapy (2000)
