Pennsylvania Psychological Association"The purpose of PPA is to advance psychology in Pennsylvania as a means of promoting human welfare. We carry out this charge through activities that advocate vigorously for public access to psychological services, that educate and support the professional development of our members, that educate the public through disseminating and applying psychological knowledge, and that maintain and build organizational strength."
Founded in 1933, PPA is the second largest state association affiliated with the American Psychological Association.