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Related Concept Videos

Self-Report Tests of Personality01:22

Self-Report Tests of Personality

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Self-report inventories are objective personality assessments that use multiple-choice items or numbered scales, typically ranging from 1 (strongly disagree) to 5 (strongly agree). They are often called Likert scales after Rensis Likert. These inventories are widely used due to their ease of administration and cost-effectiveness. One of the most prominent examples is the Minnesota Multiphasic Personality Inventory (MMPI), initially developed in the 1940s to assess abnormal personality traits.
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Reynolds Intellectual Screening Instrument 1st versus 2nd Edition in a Memory Disorder Sample.

Robert Ruchinskas1, William Goette2

  • 1Department of Psychiatry; Department of Neurology & Neurotherapeutics, UT Southwestern Medical Center, TX 75390-8869, USA.

Archives of Clinical Neuropsychology : the Official Journal of the National Academy of Neuropsychologists
|August 28, 2020
PubMed
Summary

The Reynolds Intellectual Screening Instrument-2 (RIST-2) shows better diagnostic accuracy than the original RIST in older adults with cognitive concerns. However, neither screening tool should be used alone for diagnosing dementia or mild cognitive impairment.

Keywords:
Alzheimer’s diseaseIntelligence testingReynolds Intellectual Screening Instrument

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Area of Science:

  • Neuropsychology
  • Geriatric Medicine
  • Cognitive Assessment

Background:

  • The Reynolds Intellectual Screening Instrument (RIST) and its second edition (RIST-2) are brief intelligence screening tools suitable for older adults due to their extended age norms.
  • These instruments are valuable in memory disorder clinics for assessing cognitive function in aging populations.

Purpose of the Study:

  • To evaluate the performance of the RIST and RIST-2 in individuals over 50 years old presenting with cognitive complaints or diagnosed with Mild Cognitive Impairment (MCI) or possible dementia of the Alzheimer Type (DAT).
  • To compare the diagnostic accuracy and discriminative ability of the RIST and RIST-2 in a clinical memory disorder setting.

Main Methods:

  • A sample of 1,145 subjects aged over 50 from a memory disorder clinic referral pool were analyzed.
  • Participants were categorized into Mild Cognitive Impairment (MCI; n=536), possible dementia of the Alzheimer Type (DAT; n=400), or subjective cognitive complaints (SCC; n=209) groups.
  • Performance on either the RIST (n=747) or RIST-2 (n=398) within a comprehensive neuropsychological battery was examined, with no significant demographic or performance differences noted between RIST versions.

Main Results:

  • The RIST-2 Total and subtest scores were significantly lower in the DAT group compared to the RIST, with over a 1 SD mean difference observed for Total scores.
  • Diagnostic accuracy analyses indicated that the RIST-2 demonstrated superior discrimination between the MCI, DAT, and SCC groups compared to the RIST.
  • Both RIST versions exhibited higher sensitivity than specificity in differentiating the groups.

Conclusions:

  • Performance disparities exist between the RIST and RIST-2, particularly impacting the DAT group.
  • The RIST-2 offers improved diagnostic accuracy over the RIST.
  • Neither the RIST nor RIST-2 should be used as standalone tools for the definitive clinical diagnosis of DAT or MCI.