The American Psychological Association (APA) is the largest scientific and professional organization of psychologists in the United States, with around 117,500 members including scientists, educators, clinicians, consultants and students.
The American Psychological Association (APA) is the largest scientific and professional organization of psychologists in the United States. It is the world's largest association of psychologists with around 137,000 members including scientists, educators, clinicians, consultants and students.