Title: Alternative psychotherapies: conceptual elucidation and epidemiological framework Angelo Fasce1 & Jesús Adrián-Ventura2 1 Department of Philosophy, University of Valencia, 46010 Valencia, Spain. 2 Department of Basic and Clinical Psychology and Psychobiology, Jaume I University, 12071 Castellón, Spain. Running title: Alternative psychotherapies Corresponding author: Angelo Fasce (
[email protected]) Department of Philosophy, University of Valencia, Avenida Blasco Ibáñez 30, 46010 Valencia, Spain 2 Alternative psychotherapies: conceptual elucidation and epidemiological framework Abstract: This article elucidates and defines alternative psychotherapies, as well as describing the variables that explain why some professional psychologists are prone to endorse these practices. First, the novel concept of "Complementary and Alternative Psychotherapies" (CAP) is defined within the framework of the established hierarchy of clinical evidence. Second, we report a literature review to aid understanding of the main variables explaining why some clinicians prefer CAP. We review rejection of scientific reasoning, misconceptions about human nature, and pragmatic limitations of evidence-based practice. Keywords: evidence-based psychology, alternative psychotherapies, alternative medicine, CAP, pseudoscience. Public Significance Statement: This article coins the concept of Complementary and Alternative Psychotherapies (CAP): all techniques presented as psychotherapies without adequate evidence for effective treatment. Moreover, we disclose