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Joshua B. Gilbert – Annenberg Institute for School Reform at Brown University, 2024
When analyzing treatment effects on test scores, researchers face many choices and competing guidance for scoring tests and modeling results. This study examines the impact of scoring choices through simulation and an empirical application. Results show that estimates from multiple methods applied to the same data will vary because two-step models…
Descriptors: Scores, Statistical Bias, Statistical Inference, Scoring
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Huang, Francis L. – Journal of Psychoeducational Assessment, 2014
The factor structure of the Phonological Awareness Literacy Screening for Grades 1 through 3 (PALS 1-3), a widely used early literacy screener in the Commonwealth of Virginia, was investigated using a large sample of public-school second-grade students (n = 14,993). Three alternative factor models (i.e., a one-factor, two-correlated factors, and a…
Descriptors: Factor Structure, Factor Analysis, Phonological Awareness, Literacy