Methodological problems of follow-up studies in psychotherapy research.

• 1 July 1960
• journal article
• Published by American Psychological Association (APA) in Australian and New Zealand Journal of Surgery
• Vol. 30  (3) , 495-506
• https://doi.org/10.1111/j.1939-0025.1960.tb02065.x

Abstract

Keywords

• PSYCHOTHERAPY

Funding Information

• Foundations' Fund for Research in Psychiatry
• Ford Foundation