Comparison of medical and psychological tests.

Comments on the G. J. Meyer et al (see record 2001-00159-003) summary of evidence and issues associated with psychological assessment. H. N. Garb et al conclude that Meyer et al did not establish that psychological test validity is comparable to medical test validity. By focusing on meta-analyses, they ignored results for most medical tests and psychological test scores. Furthermore, although it may appear that they routinely summarized results from meta-analyses, in some cases they actually calculated their own effect sizes. For at least some studies, their effect sizes appear to be misleading, making their review of the literature difficult to interpret. (PsycINFO Database Record (c) 2010 APA, all rights reserved)