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The Reasons Why Suspects Confess during Custodial Interrogation: Data for Northern Ireland

This study looks at the reasons offenders give for having confessed during police interrogation. A number of hypotheses were tested, following the work of Gudjonsson and Petursson (1991) on an Icelandic prison sample. The subjects were 80 offenders who were serving prison sentences in Northern Ireland for violence, sex or property offences. The subjects completed the Gudjonsson Confession Questionnaire. All of the hypotheses tested were supported, indicating that there are three primary factors associated with the reasons why criminals make confessions during interrogation. These factors are referred to as Internal Pressure, External Pressure and Proof. The factors were found to be associated with the type of offence committed and the attitude of the offender towards his confession.