Improving credibility assessment in child sexual abuse allegations: The role of the NICHD investigative interview protocol

Irit Hershkowitz, Sara Fisher, Michael E. Lamb, Dvora Horowitz

Research output: Contribution to journalArticlepeer-review

Abstract

Objectives: The study was designed to explore whether the credibility of children's statements regarding their alleged experiences of child sexual abuse could be assessed in a more valid and reliable way when investigative interviews were conducted using the NICHD protocol rather than in an unstructured manner. Methods: Forty-two experienced Israeli youth investigators each assessed the credibility of allegations of sexual abuse made by alleged victims of sexual abuse when interviewed either with or without the protocol. Half of the alleged incidents were judged likely to have happened ("plausible") on the basis of independent evidence, while half were deemed unlikely to have happened ("implausible"). Results: More non-protocol than protocol interviews were rated as "No judgment possible" rather than either credible or incredible. Allegations made in protocol interviews were more accurately rated as credible or incredible when they were either plausible or implausible, respectively, than those made in non-protocol statements. Levels of inter-rater reliability were also higher when protocol interviews were rated. The differences were significant only for plausible cases, however. Conclusions: The use of the NICHD protocol facilitated the assessment of credibility by child investigators although incredible allegations (those describing incidents that were unlikely to have happened) remained difficult to detect, even when the protocol was used.

Original languageEnglish
Pages (from-to)99-110
Number of pages12
JournalChild Abuse and Neglect
Volume31
Issue number2
DOIs
StatePublished - Feb 2007

Bibliographical note

Funding Information:
The authors are grateful to the youth investigators who participated in this study and the Department of Youth Corrections and Investigation for its continued support of this research program.

Keywords

  • Child abuse
  • Credibility
  • Forensic interviews
  • Structured interviews

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Developmental and Educational Psychology
  • Pediatrics, Perinatology, and Child Health

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