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The Validity of WISC-V Profiles of Strengths and Weaknesses
Psychological Measurement and Testing

Validity of WISC-V Profiles of Strengths and Weaknesses

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The Wechsler Intelligence Scale for Children-Fifth Edition (WISC-V) has been widely used to assess cognitive abilities in children. This article by Peter F. de Jong evaluates the validity of interpreting WISC-V profiles of strengths and weaknesses, which are often derived from differences between overall scores and index scores. Background The …

Evaluating Factor Retention in Exploratory Factor Analysis
Statistical Methods and Data Analysis

Evaluating Factor Retention in Exploratory Factor Analysis

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Determining the optimal number of factors to retain in exploratory factor analysis (EFA) has long been a subject of debate in social sciences research. Finch (2020) addresses this challenge by comparing the performance of fit index difference values and parallel analysis, a well-established method in this field. The study offers …