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Related Experiment Videos

WAIS digit span differences between prisoners and psychiatric patients

C F Ruff, D I Templer, J L Ayers

    Perceptual and Motor Skills
    |April 1, 1977
    PubMed
    Summary

    Prisoners, compared to psychiatric patients, showed higher scores on the Wechsler Adult Intelligence Scale (WAIS) Digit Span test. This suggests potential differences in cognitive abilities related to attention and working memory between these groups.

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    Area of Science:

    • Neuropsychology
    • Forensic Psychology
    • Clinical Psychology

    Background:

    • Cognitive assessment is crucial for understanding psychological functioning in different populations.
    • The Wechsler Adult Intelligence Scale (WAIS) Digit Span subtest measures attention and working memory.
    • Previous research has explored cognitive differences between incarcerated individuals and psychiatric patients.

    Purpose of the Study:

    • To compare the WAIS Digit Span performance between prisoners and psychiatric patients.
    • To investigate the relationship between Digit Span scores and MMPI T scores in prisoners.

    Main Methods:

    • Administered the WAIS to 37 prisoners and 29 psychiatric patients.
    • Compared Digit Span scaled scores to the mean of 5 other Verbal scaled scores.

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  • Correlated MMPI T scores with Digit Span performance.

    • Main Results:

    • Prisoners' Digit Span scaled scores were more frequently above their mean Verbal scaled scores compared to psychiatric patients.
    • MMPI T scores showed a slight to moderate inverse relationship with Digit Span performance in prisoners.

    Conclusions:

    • Prisoners may exhibit distinct patterns of cognitive functioning, particularly in attention and working memory, compared to psychiatric patients.
    • The findings suggest that Digit Span performance in prisoners is inversely related to psychopathological indicators on the MMPI.