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. 2020 Jun 16;28(2):185-205.
doi: 10.1080/13218719.2020.1767717. eCollection 2021.

Do laypeople recognize youth as a risk factor for false confession? A test of the 'common sense' hypothesis

Lauren J Grove  1 , Jeff Kukucka  1
Affiliations

Do laypeople recognize youth as a risk factor for false confession? A test of the 'common sense' hypothesis

Lauren J Grove et al. Psychiatr Psychol Law. .

Abstract

In a survey of confession experts, 94% agreed that youth is a risk factor for false confession, but only 37% felt that jurors understand this. To date, no study has tested the latter by comparing laypeople's perceptions of juvenile and adult suspects. To address this gap, Experiment 1 participants read a lengthy (i.e. interrogation and confession) or abridged (i.e. confession-only) transcript of an ostensibly juvenile or adult suspect's interrogation. Transcript length affected perceived pressure but not guilt judgments. Suspect age had little effect, with 75% of participants misjudging the juvenile as guilty. Experiment 2 then tested how expert testimony affects judgments of juvenile suspects. Participants read a lengthy or abridged interrogation transcript, with or without testimony from a juvenile confession expert. Expert testimony somewhat impacted guilt judgments but did not influence perceptions of the interrogation. Implications for interrogation practices, trial procedure and future research are discussed.

Keywords: expert testimony; false confessions; interrogations; juvenile justice.

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