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The relative influence of leading questions and negative feedback on response change on the Gudjonsson Suggestibility Scale (2): implications for forensic interviewing

Baxter, James; Charles, Kathy E; Martin, Michelle; McGroarty, Allan

Authors

James Baxter

Kathy E Charles

Michelle Martin

Allan McGroarty



Abstract

The ‘Shift’ or response change measure of the Gudjonsson Suggestibility Scales (GSS 1 and 2) is assumed primarily to indicate acceptance of the negative feedback component of the GSS procedure. Using an adapted version of the question set that bears on the GSS 2 narrative, this study systematically varied the pressurising influences of the GSS 2 specifically to test this assumption. In four conditions, negative and neutral feedback were administered either with leading or non-leading questions. Varying type of feedback to participants resulted in significant differences in Shift scores. In line with the theorised bases of the scales, the leading questions component of the GSS was found to have no significant independent effect on Shift and to be no more effective than non-leading questions in influencing this measure. The study also lent support to two previous studies, which have shown that negative feedback in the absence of leading questions alters average response change to a reliable degree (10%), suggesting a useful norm for adapted versions of the GSS procedure. It is argued that the influence of feedback on response change in interviews merits more attention from researchers than it has previously received.

Citation

Baxter, J., Charles, K. E., Martin, M., & McGroarty, A. (2012). The relative influence of leading questions and negative feedback on response change on the Gudjonsson Suggestibility Scale (2): implications for forensic interviewing. Psychology, Crime and Law, 1-9. https://doi.org/10.1080/1068316X.2011.631538

Journal Article Type Article
Publication Date 2012
Deposit Date Jun 26, 2012
Print ISSN 1068-316X
Electronic ISSN 1477-2744
Publisher Routledge
Peer Reviewed Peer Reviewed
Pages 1-9
DOI https://doi.org/10.1080/1068316X.2011.631538
Keywords interrogative suggestibility; interrogative pressure; feedback;
non-leading questions; eyewitness testimony; interrogation;
interview procedures; interviewing;
Public URL http://researchrepository.napier.ac.uk/id/eprint/5512
Publisher URL http://dx.doi.org/10.1080/1068316X.2011.631538



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