Announcements, guidance, and research posts from the British Polygraph Society.
Few questions in applied psychology have been argued more publicly than whether the polygraph works. This post separates the questions that get conflated under the single word “accuracy,”…
Read articleAn evidence review of the statutory polygraph programme under the Offender Management Act 2007, drawing on published MoJ and HMPPS evaluations from 2012 to 2026.
Read articleA chronological review of Don Grubin's UK polygraph research programme, from the 2010 voluntary trial through mandatory pilots to the 2014 national rollout and 2021 statutory extensions.
Read articleAn evidence review of mandatory post-conviction sex offender polygraph testing in England and Wales since its national rollout in January 2014.
Read articleDo polygraph disclosure patterns differ between internet-only and contact sexual offenders in UK PCSOT? This research brief maps what is known and what is not.
Read articleResearch review of how polygraph-obtained disclosures contribute to treatment planning and case management in UK post-conviction sex-offender supervision.
Read articleA research brief examining what UK field data exists on polygraph countermeasures, where gaps remain, and what would strengthen the evidence base.
Read articleCan polygraphs be defeated? We examine what peer-reviewed research actually says about countermeasures — and why truthful examinees should never try them.
Read articleA detailed reading of Raymond Nelson's 2015 Polygraph 44(1) 28–61 review of the scientific basis for comparison-question polygraph testing — diagnostic and screening accuracy, validated techniques, physiological and…
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