Date of Award

2017

Document Type

Dissertation

Degree Name

Doctor of Health Science (DHSc)

College/School

College of Health Sciences

First Advisor

Candace Beitman, EdD, OTR

Second Advisor

Beth Ann Walker, PhD, OTR

Third Advisor

Kim Warchol, BS, OTR/L

Fourth Advisor

Laura Santurri, PhD, MPH, CPH

Fifth Advisor

Stephanie Kelly, PT, PhD

Abstract

The Functional Cognitive Assessment is a standardized cognitive performance assessment that is criterion referenced and administered during everyday tasks (Ebell, Ford, & Warchol, 2016). Psychometric testing is needed in order to establish content-oriented validity evidence and utility of the Functional Cognitive Assessment; thus, the purpose of the study was to establish the content-oriented validity evidence of the Functional Cognitive Assessment. Ten subject matter experts anonymously responded to a survey comparing the test items to the construct of functional cognition. Interrater agreement was 0.90 for representativeness and 0.70 for clarity. Item level content validity indices ranged from 0.70-0.90 for representativeness. The scale level content validity index was 0.81 for representativeness. Factor validity index ranged from 0.90-1.0 for each subtask. The overall factor validity index was 0.98. Item content validity indices for representativeness were assessed using a multi-rater kappa statistic, which ranged from 0.66-0.90 for each subtask, indicating that the subtasks ranged from excellent to good. Results support initial content-oriented validation of the Functional Cognitive Assessment.

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