thumb|The headquarters of the American Psychological Association in Washington, D.C. The American Psychological Association (APA) is the main professional organization of psychologists in the United States, and the largest psychological association in the world. It has over 157,000 members, including scientists, educators, clinicians, consultants, and students. It has 54 divisions, which function as interest groups for different subspecialties of psychology or topical areas. The APA has an annual budget of around $125 million.
thumb|The headquarters of the American Psychological Association in Washington, D.C. The American Psychological Association (APA) is the main professional organization of psychologists in the United States, and the largest psychological association in the world. It has over 157,000 members, including scientists, educators, clinicians, consultants, and students. It has 54 divisions, which fu?nction as interest groups for different subspecialties of psychology or topical areas. The APA has an annual budget of around $125 million.