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Construction of matched verbal and design continuous paired associate tests
Journal of Clinical and Experimental Neuropsychology
|February 1, 1985
Summary
Researchers created matched verbal and figural continuous paired associate tests (CPAT) to accurately compare verbal and visual memory abilities without test sensitivity issues.
Area of Science:
- Neuroscience
- Psychology
- Cognitive Science
Background:
- Memory assessment often faces challenges due to differential test sensitivity.
- Distinguishing between verbal and figural memory requires carefully matched assessments.
Purpose of the Study:
- To develop and validate parallel verbal and figural continuous paired associate tests (CPAT).
- To enable unbiased comparisons of verbal versus figural memory functions.
Main Methods:
- Constructed verbal CPAT using high-frequency words and figural CPAT based on right-hemisphere damage research.
- Administered 80-item versions of both tests to 100 subjects across various Wechsler Memory Quotient ranges.
- Analyzed psychometric properties including internal consistency, item difficulty, variance, skewness, and reliability.
Main Results:
- The final 40-item Verbal CPAT achieved an alpha of .859 (Mean=26.72, SD=7.03).
- The final 40-item Designs CPAT achieved an alpha of .886 (Mean=26.42, SD=7.75).
- Both tests demonstrated comparable distributional properties and were not significantly skewed.
Conclusions:
- The developed verbal and figural CPAT are psychometrically matched.
- These tests offer a valuable tool for research investigating verbal and figural memory differences without confounding test sensitivity.