Date of Award

2-24-2023

Document Type

Dissertation

Degree Name

Doctor of Psychology (PsyD)

Department

Graduate Department of Clinical Psychology

First Advisor

Kenneth Logan, Psy.D.

Second Advisor

Rodger Bufford, Ph.D.

Abstract

Neuropsychological assessments rely on standardization, reliability, validity, and normative data to increase the accuracy of clinicians’ interpretations (Lezak et al., 2012). One particular assessment that focuses on examining comprehensive executive functioning is the Delis-Kaplan Executive Function System (D-KEFS; Delis et al., 2001). Videoconference is gaining in use to provide services within multiple healthcare domains to increase access to care and convenience, potentially reduce costs, and sustain patient satisfaction (Brearly et al., 2017). The literature has shown support for the growing field of telehealth neuropsychology (Brearly et al., 2017); however, many neuropsychological assessments, such as the D-KEFS, have not been normed for telehealth administration. This study examined D-KEFS verbal tests administered via videoconference and in person to determine whether there are significant differences when administered via videoconference. Using random assignment, 37 participants from a private university in Oregon were administered the D-KEFS in person or via videoconference. Years in college was found to be a significant covariate factor for Letter Fluency, Category Fluency, Category Switching, Word Context, and Proverbs Test. Results did not reject the null hypothesis as we did not find significant differences between the control and experiment groups’ scores on each of the subtests after controlling for age. Treatment effects were < ηp2 = 0.10. While this was a small study with limitations, it provides preliminary evidence that videoconference administration of the verbal subtests of the D-KEFS may result in comparable scores. Further exploration of the D-KEFS verbal subtests in the future is recommended to ensure the appropriateness of using current normative data to compare results.

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