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Long-term stability of Wechsler Intelligence Scale for Children–fifth edition scores in a clinical sample
Applied Neuropsychology: Child ( IF 1.4 ) Pub Date : 2021-02-08 , DOI: 10.1080/21622965.2021.1875827
Marley W Watkins 1 , Gary L Canivez 2 , Stefan C Dombrowski 3 , Ryan J McGill 4 , Alison E Pritchard 5 , Calliope B Holingue 6 , Lisa A Jacobson 5
Affiliation  

Abstract

This study investigated the stability of Wechsler Intelligence Scale for Children–Fifth Edition (WISC-V) scores for 225 children and adolescents from an outpatient neuropsychological clinic across, on average, a 2.6 year test-retest interval. WISC-V mean scores were relatively constant but subtest stability score coefficients were all below 0.80 (M = 0.66) and only the Verbal Comprehension Index (VCI), Visual Spatial Index (VSI), and omnibus Full Scale IQ (FSIQ) stability coefficients exceeded 0.80. Neither intraindividual subtest difference scores nor intraindividual composite difference scores were stable across time (M = 0.26 and 0.36, respectively). Rare and unusual subtest and composite score differences as well as subtest and index scatter at initial testing were unlikely to be repeated at retest (kappa = 0.03 to 0.49). It was concluded that VCI, VSI, and FSIQ scores might be sufficiently stable to support normative comparisons but that none of the intraindividual (i.e. idiographic, ipsative, or person-relative) measures were stable enough for confident clinical decision making.



中文翻译:


韦克斯勒儿童智力量表第五版临床样本分数的长期稳定性


 抽象的


本研究调查了来自神经心理学门诊的 225 名儿童和青少年的韦克斯勒儿童智力量表第五版 (WISC-V) 分数的稳定性,平均测试间隔为 2.6 年。 WISC-V 平均分相对稳定,但分项测试稳定性得分系数均低于 0.80( M = 0.66),仅言语理解指数 (VCI)、视觉空间指数 (VSI) 和综合全面智商 (FSIQ) 稳定性系数超出0.80。个体内分测试差异分数和个体内综合差异分数随时间的推移都不稳定( M分别为 0.26 和 0.36)。初次测试时罕见和不寻常的分项测试和综合分数差异以及分项测试和指数分散在重新测试时不太可能重复(kappa = 0.03 至 0.49)。结论是,VCI、VSI 和 FSIQ 评分可能足够稳定,足以支持规范性比较,但没有任何个体内(即个体、自体或个人相关)测量足够稳定,无法做出可靠的临床决策。

更新日期:2021-02-08
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