Automated Portable Test System (APIS): A Performance Envelope Assessment Tool 851775

To measure behavioral consequences of various functional impairments, a portable battery of perceptual, cognitive, and motor tasks was evaluated. Eleven microcomputer-based tests were examined for reliability, stability, and suitability for use in repeated-measures assessment paradigms. Testing was 25 subjects across ten sessions. Concurrent administration of standard intelligence tests was performed, along with paper-and-pencil versions of the computer tests. Nine of the 11 tests stabilized by the third administration (inertial correlations high and consistent). Retest reliabilities exceeded .80 for all retained tests. Four factors were tentatively identified in the computer battery, including dimensions not available in paper-and-pencil analogues. Regression of the full battery against intelligence yielded high multiple correlations (r=.70).


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