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Evaluating Short-Form IQ Estimations for the WISC-V
Psychological Measurement and Testing

Evaluating Short-Form IQ Estimations for the WISC-V

Short-form (SF) IQ estimations are often used in clinical settings to provide efficient assessments of intelligence without administering the full test. Lace et al. (2022) examined the effectiveness of various five- and four-subtest combinations for estimating full-scale IQ (FSIQ) on the Wechsler Intelligence Scale for Children-Fifth Edition (WISC-V). Their findings …

Comparing Rasch and Classical Equating Methods for Small Samples
Statistical Methods and Data Analysis

Comparing Rasch and Classical Equating Methods for Small Samples

Babcock and Hodge (2020) address a significant challenge in educational measurement: accurately equating exam scores when sample sizes are limited. Their study evaluates the performance of Rasch and classical equating methods, particularly for credentialing exams with small cohorts, and introduces data pooling as a potential solution. Background Equating ensures fairness …

Examining the Effect of Estimation Methods on SEM Fit Indices
Statistical Methods and Data Analysis

Examining the Effect of Estimation Methods on SEM Fit Indices

The study by Shi and Maydeu-Olivares (2020) analyzes how different estimation methods influence key fit indices in Structural Equation Modeling (SEM). By focusing on methods such as Maximum Likelihood (ML), Unweighted Least Squares (ULS), and Diagonally Weighted Least Squares (DWLS), the authors explore the nuances of model fit across various …