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The Prudhoe Cognitive Function Test, a scale to assess cognitive function in adults with Down's syndrome: inter-rater and test-retest reliability.

BACKGROUND: The Prudhoe Cognitive Function Test (PCFT) was designed to measure cognitive function in subjects with all degrees of intellectual disability (ID) and to be administered by non-specialist raters. The aim of the present study was to measure the test-retest and inter-rater reliability of t...

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Published in:Journal of Intellectual Disability Research Vol. 47; no. 6; pp. 488 - 493
Main Authors: Margallo-Lana ML, Moore PB, Tyrer SP, Dawson H, Jenkins K, Kay DWK
Format: research tables/charts Journal Article
Published: Wiley-Blackwell Sep2003
Online Access:View this record in EBSCOhost
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      dt: Sep2003
      vid: 47
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      pub: Wiley-Blackwell
      place: Malden, Massachusetts
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        10.1046/j.1365-2788.2003.00450.x
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        atl: The Prudhoe Cognitive Function Test, a scale to assess cognitive function in adults with Down's syndrome: inter-rater and test-retest reliability.
      aug:
        au:
          Margallo-Lana ML
          Moore PB
          Tyrer SP
          Dawson H
          Jenkins K
          Kay DWK
        affil: Department of Psychiatry, University of Newcastle upon Tyne, Newcastle upon Tyne, UK
      sug:
        subj:
          Cognition Evaluation
          Down Syndrome
          Instrument Validation
          Structured Interview
          Adult
          Descriptive Statistics
          Female
          Interrater Reliability
          Male
          Questionnaires
          Simple Random Sample
          Test-Retest Reliability
          United Kingdom
          Validation Studies
          Human
          Adult: 19-44 years
          Female
          Male
      ab: BACKGROUND: The Prudhoe Cognitive Function Test (PCFT) was designed to measure cognitive function in subjects with all degrees of intellectual disability (ID) and to be administered by non-specialist raters. The aim of the present study was to measure the test-retest and inter-rater reliability of the PCFT. METHODS: Three raters, one a specialist and two non-specialists, administered the PCFT to 14 subjects with Down's syndrome on two occasions separated by 4 weeks. RESULTS: The intra-class correlation coefficients (ICCs) between the rater pairs (n=3) were 0.99, 0.99 and 0.98 (P<0.01). Floor effects were recorded for two items. The ICC for test-retest reliability was 0.99 (P<0.01). CONCLUSIONS: The PCFT is a highly reliable instrument when used by either specialist or non-specialist raters. It has excellent temporal stability.
      pubtype: Academic Journal
      doctype:
        research
        tables/charts
        Journal Article
      ougenre: Article
    language: English
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