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An Evaluation of Polygraph Testing by Police to Manage Individuals Convicted or Suspected of Sexual Offending

Wood, Jane L., Alleyne, Emma, Ó Ciardha, Caoilte, Gannon, Theresa A. (2020) An Evaluation of Polygraph Testing by Police to Manage Individuals Convicted or Suspected of Sexual Offending. University of Kent (KAR id:81207)

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Abstract

This report presents results of research commissioned by the police to evaluate their use of polygraph testing with individuals convicted or suspected of committing a sexual offence. Police areas involved in this research were: Greater Manchester (GMP), Hertfordshire, Essex, Kent, South Yorkshire, and Northumbria. Additional areas (i.e., Lancashire, Norfolk, and Staffordshire) supplied data on polygraph tests conducted for them.

The University of Kent was commissioned to evaluate police use of polygraph testing from 3rd July, 2017 to 15th July, 2019. The evaluation described in this report refers to analyses of:

• Strand 1 (Supervisees): 557 individuals convicted of sexual offending and undergoing police supervision who were randomly assigned to polygraph testing (voluntary or mandatory1 depending on police area) or comparison groups.

• Strand 2 (Suspects): 142 individuals suspected of committing online sexual offences and undergoing police investigation who were assigned to polygraph or comparison groups.

• Strand 3 (Applicants): 104 individuals convicted of sexual offending who applied for removal of notification requirements and were assigned to polygraph or comparison groups.

Item Type: Research report (external)
Uncontrolled keywords: Police, polygraph, sexual offending, suspects
Divisions: Divisions > Division of Human and Social Sciences > School of Psychology
Depositing User: Jane Wood
Date Deposited: 13 May 2020 14:26 UTC
Last Modified: 29 Sep 2021 11:06 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/81207 (The current URI for this page, for reference purposes)
Wood, Jane L.: https://orcid.org/0000-0003-4173-410X
Alleyne, Emma: https://orcid.org/0000-0003-4335-7176
Ó Ciardha, Caoilte: https://orcid.org/0000-0001-5383-8403
Gannon, Theresa A.: https://orcid.org/0000-0002-5810-4158
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