Radovanović, Z. (7005270902)Z. (7005270902)RadovanovićErić, Lj. (6603198758)Lj. (6603198758)ErićJevremović, I. (6602996235)I. (6602996235)Jevremović2025-06-122025-06-121988https://doi.org/10.1007/BF01788440https://www.scopus.com/inward/record.uri?eid=2-s2.0-0023885369&doi=10.1007%2fBF01788440&partnerID=40&md5=97c0a6da53f8c692b732deabc1213e1fhttps://remedy.med.bg.ac.rs/handle/123456789/1899The General Health Questionnaire (GHQ) has been shown to be a valid instrument for the screening of psychological impairment in a group of Yugoslav medical students. However, consecutive testing of the same population revealed a fall in sensitivity to the unacceptably low figure of 64.7%. A high proportion of false negative results related to two facts: misrepresentation by cases when answering the GHQ; and recall bias on the part of the psychiatrist, i. e. his inability to ignore his previous knowledge of the patients when diagnosing their present condition. © 1988 Springer-Verlag.The effect of re-testing on the validity of the General Health Questionnaire