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- Title
Fallacies in the estimation of the validity of the Comparison Question Polygraph Test: A reply to Ginton (2020).
- Authors
Ben‐Shakhar, Gershon; Iacono, William
- Abstract
Interestingly, Ginton also ignores his article (Ginton et al., 1982) that specified the necessary conditions for conducting proper CQT validity studies. Ginton (2020) argues that this is equivalent to removing inconclusive outcomes from CQT validity studies, which is a standard practice used by CQT proponents. To deal with this question, Ginton compared paired CQT cases where both suspects were tested by a single examiner with those conducted by two examiners. It should also be noted that the fact that 39% of the cases studied by Ginton were non-indicative is another reflection of the limited validity of the CQT (Ginton correctly argues that it is 20% of the charts, but again if one chart is useless it is unclear how the case can be resolved).
- Subjects
LIE detectors &; detection; DECEPTION; APPLIED psychology; CONFIRMATION bias; SOCIAL psychology; HIT &; run accidents; PSYCHOLOGICAL techniques
- Publication
Journal of Investigative Psychology & Offender Profiling, 2021, Vol 18, Issue 3, p201
- ISSN
1544-4759
- Publication type
Article
- DOI
10.1002/jip.1576