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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Bibliographic Details
Published in:Journal of intellectual disability research 2003-09, Vol.47 (6), p.488-492
Main Authors: Margallo-Lana, M. L., Moore, P. B., Tyrer, S. P., Dawson, H., Jenkins, K., Kay, D. W. K.
Format: Article
Language:English
Subjects:
Adult
Analysis of Variance
Behavior Change
Cognition
Cognitive Ability
cognitive failure
Cognitive functioning
Community Relations
Correlation
dementia
Down Syndrome
Down Syndrome - psychology
Down's syndrome
Error of Measurement
Examiners
Family Environment
Female
Humans
Intellectual Disability
Intelligence Tests - standards
Interrater Reliability
Male
Measurement Techniques
Middle Aged
Observer Variation
Patients
Prudhoe Cognitive Function Test
rating scale
Rating Scales
Reproducibility of Results
Sample Size
Selection Criteria
Severe Disabilities
Statistical Analysis
Test Items
Thinking Skills
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Summary: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 
ISSN:0964-2633
1365-2788
DOI:10.1046/j.1365-2788.2003.00450.x