The Körperkoordinations Test Für Kinder for Iranian Youth: Factor Structure, Measurement Invariance, and Covariates

IF 0.8 Q4 PSYCHOLOGY, DEVELOPMENTAL Journal of Motor Learning and Development Pub Date : 2023-01-01 DOI:10.1123/jmld.2021-0060

S. Salami, Paulo Felipe Ribeiro Bandeira, Clarice M. L. Martins, L. Hardy, A. Shams, P. S. Dehkordi

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Abstract

Purpose: To examine the factor structure and measurement invariance of the Körperkoordinations Test Für Kinder (KTK) and covariates of motor competence in a sample of Iranian children aged 5–14 years. Methods: Participants were children aged 5–14 years (N = 432, 61% boys). Age, sex, and body mass index were collected. Confirmatory factor analysis (CFA) was conducted to investigate the factorial structure of KTK and multigroup CFA carried out to test measurement invariance across sexes and age groups. In addition, we calculated a model with covariates to identify the association between KTK items with age, sex, and body mass index z score. Results: CFA supported the construct validity of a one-factor model with an appropriate fit indices that the four subtests loaded on the same factor namely motor competence. Furthermore, according to the magnitude of changes in root mean square error of approximation and comparative fit index between nested models, the assumption of KTK measurement invariance across age-groups and sex were valid. Finally, adequate fit indices were found for the multigroup CFA path model of KTK with the covariates sex, age, and body mass index z score. Conclusion: The KTK is a valid, reliable, and valuable instrument for assessing motor competence of Iranian children and adolescents.

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伊朗青年的Körperkoordinations检验 r Kinder:因素结构、测量不变性和协变量

目的:探讨伊朗5 ~ 14岁儿童运动能力Körperkoordinations KTK测试(KTK)及协变量的因素结构和测量不变性。方法:参与者为5-14岁的儿童(N = 432, 61%为男孩)。收集年龄、性别和体重指数。采用验证性因子分析(Confirmatory factor analysis, CFA)研究KTK的因子结构，采用多组验证性因子分析(multigroup CFA)检验不同性别和年龄组的测量不变性。此外，我们计算了一个带有协变量的模型，以确定KTK项目与年龄、性别和身体质量指数z分数之间的关联。结果:CFA支持单因素模型的结构效度，四个子测试对同一因素即运动能力具有适当的拟合指标。此外，根据嵌套模型间近似均方根误差和比较拟合指数的变化幅度，KTK测量在不同年龄组和性别之间的不变性假设成立。最后，以性别、年龄和体重指数z分为协变量，建立了KTK的多组CFA路径模型，找到了足够的拟合指标。结论:KTK是评估伊朗儿童和青少年运动能力的有效、可靠和有价值的工具。

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来源期刊

Journal of Motor Learning and Development Medicine-Orthopedics and Sports Medicine

CiteScore

2.20

自引率

15.40%

发文量

期刊介绍： The Journal of Motor Learning and Development (JMLD) publishes peer-reviewed research that advances the understanding of movement skill acquisition and expression across the lifespan. JMLD aims to provide a platform for theoretical, translational, applied, and innovative research related to factors that influence the learning or re-learning of skills in individuals with various movement-relevant abilities and disabilities.