Do the ways in which psychotherapy process ratings are made make a difference? The effects of mode of presentation, segment, and rating format on interrater reliability
Psychotherapy (1988) - Comment
doi: 10.1037/h0085322  issn: 1939-1536  issn: 0033-3204 

Daniel S. Weiss, Charles R. Marmar, Mardi J. Horowitz