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Estimating the validity of the guilty knowledge test from simulated experiments: the external validity of mock crime studies

Carmel, D; Dayan, E; Naveh, A; Raveh, O; Ben-Shakhar, G; (2003) Estimating the validity of the guilty knowledge test from simulated experiments: the external validity of mock crime studies. Journal of Experimental Psychology: Applied , 9 (4) pp. 261-269. 10.1037/1076-898X.9.4.261.

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Abstract

This experiment was designed to examine the external validity of the standard mock-crime procedure used extensively to evaluate the validity of polygraph tests. The authors manipulated the type of mock-crime procedure (standard vs. a more realistic version) and the time of test (immediate vs. delayed) and examined their effects on the validity of the Guilty Knowledge Test (GKT) and the recall rate of therelevant items. The results indicated that only the type of mock-crime affected the 2 outcome variables. The realistic procedure was associated with a lower recall rate and weaker detection efficiency than the standard procedure. However, these effects were mediated by the type of GKT questions used. Practical implications of these results are discussed.

Type: Article
Title: Estimating the validity of the guilty knowledge test from simulated experiments: the external validity of mock crime studies
DOI: 10.1037/1076-898X.9.4.261
Additional information: Imported via OAI, 7:29:00 25th Jul 2007
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > UCL School of Management
URI: http://discovery.ucl.ac.uk/id/eprint/4088
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