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Brief Report: An Evaluation of Item Bias on the Functional Activities Questionnaire.


ABSTRACT:

Objective

To evaluate whether the Functional Activities Questionnaire (FAQ), a commonly used measure of functional status in neurodegenerative disease research, performs equivalently across demographically diverse subgroups of participants.

Method

The FAQs from 30,613 National Alzheimer's Coordinating Center participants were evaluated with a hybrid graded response model-logistic ordinal regression approach to determine the presence of differential item functioning (DIF) within five demographic groups: education, ethnicity, race, language, and sex.

Results

Measurable DIF was observed for FAQ items in all groups; however, measures of effect size, latent trait distributions, and item characteristic curves suggested that the impact was minimal for research and practice.

Conclusions

The FAQ is able to provide minimally biased assessments of daily functioning across diverse participants, suggesting potential value for offsetting disparities in diagnosis and treatment.

SUBMITTER: Gonzalez DA 

PROVIDER: S-EPMC10365831 | biostudies-literature | 2023 Feb

REPOSITORIES: biostudies-literature

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Publications

Brief Report: An Evaluation of Item Bias on the Functional Activities Questionnaire.

González David Andrés DA   Clark Michael J MJ   Gonzales Mitzi M MM   Benge Jared J  

Archives of clinical neuropsychology : the official journal of the National Academy of Neuropsychologists 20230201 2


<h4>Objective</h4>To evaluate whether the Functional Activities Questionnaire (FAQ), a commonly used measure of functional status in neurodegenerative disease research, performs equivalently across demographically diverse subgroups of participants.<h4>Method</h4>The FAQs from 30,613 National Alzheimer's Coordinating Center participants were evaluated with a hybrid graded response model-logistic ordinal regression approach to determine the presence of differential item functioning (DIF) within fi  ...[more]

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