SLPRCTJournal of applied research in intellectual disabilities : JARID2025

Narrative Practice in Investigative Interviews of Individuals With Intellectual Disability.

Misun Yi

PMID 40509861

WHAT IT FOUND

Practising open-ended questions before an investigative interview helped adults with intellectual disabilities provide more accurate details about an event without increasing errors.

This practice phase gave them more information than practising specific questions, with no rise in inaccurate details.

Key findings

01Adults with intellectual disabilities who practised answering open-ended questions provided significantly more accurate details about the event than those who practised specific questions, with no increase in inaccurate details.

02Open-ended questions elicited the most accurate details from both adults with intellectual disabilities and children, while misleading questions elicited the fewest.

03Children without disabilities provided more accurate details than adults with intellectual disabilities, but the benefit of practising open-ended questions was similar for both groups.

STILL TO COME

How it was doneWhat they foundWhat it means for SLPs

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What it does not show

The study compared adults with intellectual disabilities to children aged 5-7, which may not be an appropriate comparison due to developmental differences. The severity of intellectual disability and individual cognitive or linguistic abilities were not verified or controlled for, limiting the applicability of findings to those with severe disabilities or significant communication impairments. Participants were recruited from daycare centres and likely had better communication and social skills than those without regular social interactions. The staged event was brief and recent, whereas real-world abuse disclosures often involve significant time delays and trauma, which may affect recall. More participants were excluded from the open-ended practice group than the specific practice group, suggesting some individuals with intellectual disabilities may find open-ended practice difficult or non-cooperative.

Declared interests

The author declares no conflicts of interest. The study was funded by the National Research Foundation of Korea.

The easy way to misread this

Do not assume this practice phase works for all individuals with intellectual disabilities. The study excluded participants who were uncooperative or had significant sensory impairments, and the authors note that open-ended prompts may be ineffective for those with severe disabilities or limited verbal abilities.

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