Construct Validity of IQ in the Presence of Scatter: A Measurement Invariance Approach.

IF 3.4 2区心理学 Q1 PSYCHOLOGY, CLINICAL

Assessment Pub Date : 2026-04-16 DOI:10.1177/10731911261436688

Kevin G Stephenson, Soo Youn Kim, Moira J Wendel, Eric M Butter, Eric A Youngstrom

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引用次数: 0

Abstract

Practitioners of IQ tests are often taught that patterns of scatter among IQ subtests can lead to noncohesive full-scale IQ (FSIQ) scores. This notion exists despite a lack of empirical support and evidence for the robustness of FSIQ in the presence of scatter. However, to date, no study has directly tested the measurement invariance of groups varying in the amount of subtest scatter. We aimed to use multigroup confirmatory factor analysis to test the measurement invariance of the Stanford-Binet Intelligence Scales, fifth Edition (SB-5) for individuals with high vs. low scatter in a clinical sample of 5,352 individuals (ages 2-22) referred for comprehensive evaluations due to concerns for neurodevelopmental conditions. There was overall evidence for non-invariance in our sample, suggesting a limited impact of subtest scatter on the construct validity of IQ as measured by the SB-5. In addition, the explained variance of specific factors was low, even for individuals with high scatter among subtests. This study provides additional support for the robustness of FSIQ, even in cases of high scatter.

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存在散点的IQ结构效度：一种测量不变性方法。

智商测试的实践者经常被告知，智商子测试之间的分散模式会导致非内聚的全面智商（FSIQ）分数。尽管缺乏经验支持和证据证明FSIQ在分散存在下的稳健性，但这一概念仍然存在。然而，到目前为止，还没有研究直接测试不同分组的子测试散射量的测量不变性。我们的目的是使用多组验证性因子分析来测试斯坦福-比奈智力量表第五版（SB-5）在5352名个体（年龄2-22岁）的临床样本中对高散射和低散射个体的测量不变性，这些个体由于对神经发育状况的关注而被转到综合评估中。在我们的样本中有非不变的总体证据，表明子测试分散对SB-5测量的智商结构效度的影响有限。此外，特定因素的解释方差很低，即使对于子检验之间高度分散的个体也是如此。这项研究为FSIQ的鲁棒性提供了额外的支持，即使在高散射的情况下也是如此。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Assessment PSYCHOLOGY, CLINICAL-

CiteScore

8.90

自引率

2.60%

发文量

期刊介绍： Assessment publishes articles in the domain of applied clinical assessment. The emphasis of this journal is on publication of information of relevance to the use of assessment measures, including test development, validation, and interpretation practices. The scope of the journal includes research that can inform assessment practices in mental health, forensic, medical, and other applied settings. Papers that focus on the assessment of cognitive and neuropsychological functioning, personality, and psychopathology are invited. Most papers published in Assessment report the results of original empirical research, however integrative review articles and scholarly case studies will also be considered.