期刊
CHILD NEUROPSYCHOLOGY
卷 27, 期 4, 页码 491-515出版社
ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
DOI: 10.1080/09297049.2020.1868419
关键词
Executive functions; cognitive models; preschoolers; ecological model; executive functions dimensionality
The study analyzed the dimensionality of executive functions and its relationship with behavior in typically developing 3-4 year old children. Through factor analysis, a bidimensional structure was found to be a better fit to the data compared to a unitary structure, suggesting higher ecological validity.
The study analyses the dimensionality of executive functions (EF) and its relationship with behavior in typically developing 3- and 4-year-old children. In study 1, confirmatory factor analysis (CFA) was used to investigate the validity of a one-factor model in 117 preschoolers. Since this model was not confirmed, a two-factor model was identified through exploratory factor analysis. In study 2, the validity of the new two-factor versus one-factor model was tested on a new sample of 128 children through a series of CFAs. The relationship between the models and specific behavioral aspects of the children was investigated. The results suggest that a bidimensional structure showed a better fit to the data and more ecological validity than a unitary structure.
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