Effects of Emotional Testimony and Gruesome Photographs on Mock Jurors' Decisions and Negative Emotions

Kayo Matsuo, Yuji Itoh

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The present study investigated the combined and individual effects of emotional testimony and gruesome photographs on mock jurors’ verdict decisions and emotions. Participants (n = 127) were provided with a murder trial transcript and then rendered verdicts in a 2 (emotional testimony: present, absent) × 2 (gruesome photographs: present, absent) between-groups design. They also rated their negative emotions before and after the transcript. The results indicated a combined effect of emotional testimony and gruesome photographs on verdict decisions: the emotional testimony alone had a significant effect on guilty verdicts while the gruesome photographs had only a marginally significant effect. Negative emotions were aroused by the emotional testimony when the gruesome photographs were not presented. The impact of emotional evidence on verdict decisions is discussed.

Original languageEnglish
Pages (from-to)85-101
Number of pages17
JournalPsychiatry, Psychology and Law
Volume23
Issue number1
DOIs
Publication statusPublished - 2016 Jan 2

Keywords

  • emotional testimony
  • gruesome photographs
  • juror
  • negative emotion
  • verdict decision

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Pathology and Forensic Medicine
  • Psychology (miscellaneous)
  • Law

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