California Psychological Association - A non-profit professional association for licensed psychologists & others affiliated with the delivery of psychological services.
https://www.cpapsych.org/
Health Psychology Research Ltd - Specialises in the development and use of Patient-Reported Outcome measures in health-related research.
https://healthpsychologyresearch.com/
Pennsylvania Psychological Association - The purpose of the Association shall be to advance psychology in Pennsylvania as a means of promoting human welfare.
https://www.papsy.org/default.aspx
