Why We Need a Formal Systematic Approach to Validating Psychological Tests: The Case of the Rorschach Comprehensive System

This article documents and discusses the importance of using a formal systematic approach to validating psychological tests. To illustrate, results are presented from a systematic review of the validity findings cited in the Rorschach Comprehensive System (CS; Exner, 2003) test manual, originally conducted during the manuscript review process for Mihura, Meyer, Dumitrascu, and Bombel's (2013) CS meta-analyses. Our review documents (a) the degree...