Media type: E-Article Title: Specific and nonspecific factors in the effectiveness of a treatment system Contributor: Schopler, Eric imprint: American Psychological Association (APA), 1987 Published in: American Psychologist Language: English DOI: 10.1037//0003-066x.42.4.376 ISSN: 0003-066X Keywords: General Psychology ; General Medicine Origination: Footnote: