Laura Liljequist, Ph.D. is our #RacerScholar this week!

Professor Laura Liljequist in the Department of Psychology at Murray State University is this week’s #RacerScholar. She co-authored the article, “Determining the Accuracy of Self-Report Versus Informant-Report Using the Conners’ Adult ADHD Rating Scale,” which appeared in the April 2016 issue of Journal of Attention Disorders.

Abstract

Objective: The present research examined the validity of self-report versus informant-report in relation to a performance-based indicator of adult ADHD.

Method: Archival data from 118 participants (52 males, 66 females) were used to compare Conners’ Adult ADHD Rating Scale–Self-Report: Long Format (CAARS-S:L) and Conners’ Adult ADHD Rating Scale–Observer Report: Long Format (CAARS-O:L) with discrepancy scores calculated between the Wechsler Adult Intelligence Scale–Third Edition (WAIS-III) Verbal Comprehension Index – Working Memory Index (VCI – WMI) and Perceptual-Organizational Index – Processing Speed Index (POI – PSI) scaled scores.

Results: Neither the self- nor informant-report formats of the CAARS were better predictors of discrepancies between WAIS-III Index scores. Intercorrelations between the CAARS-S:L and CAARS-O:L revealed generally higher correlations between the same scales of different formats and among scales measuring externally visible symptoms. Furthermore, regression analysis indicated that both the CAARS-S:L and CAARS-O:L clinical scales contributed a significant proportion of variance in WAIS-III VCI – WMI discrepancy scores (14.7% and 16.4%, respectively). Conclusion: Results did not establish greater accuracy of self-report versus informant-report of ADHD symptomatology, rather demonstrate the need for multimodal assessment of ADHD in adults.

home_coverDetermining the Accuracy of Self-Report Versus Informant-Report Using the Conners’ Adult ADHD Rating Scale
By Lisa Alexander and Laura Liljequist
Journal of Attention Disorders: Apr 2016, vol. 20(4), pgs. 346-352
DOI: 10.1177/1087054713478652

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