Digit span backward becomes a valid measure of working memory at exactly the point that testing is traditionally discontinued.Ĭopyright © 2017 Elsevier Ltd.
Minor test modifications may address test validity concerns, and should be considered in future test revisions. Alternate administration/scoring of digit span backward significantly improved its associations with working memory reordering (r=.58), working memory dual-processing (r=.53), working memory updating (r=.28), and KTEA-2 achievement (r=.49).Ĭonsistent with prior work, these findings urge caution when interpreting digit span performance. Traditional digit span backward scores failed to predict working memory or KTEA-2 achievement (allns). Traditional and modified scores were compared to a battery of criterion working memory (construct validity) and academic achievement tests (predictive validity) for 34 children with ADHD ages 8-13 (M=10.41 11 girls). Digit span terdiri dari dua bagian yang disebut digit forward dan digit backward. WISC-IV digit span was modified to administer all trials (i.e., ignore discontinue rule) and count digits rather than trials correct. Digit span merupakan salah satu subtes Wechsler Intelligence Scale for Children (WISC) yang digunakan untuk mengukur kemampuan working memory anak (Dehn, 2008). The current study pilot-tested minor administration/scoring modifications to improve digit span backward's construct and predictive validities in a well-characterized sample of children with ADHD. Pediatric ADHD is associated with impairments in working memory, but these deficits often go undetected when using clinic-based tests such as digit span backward.
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