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Petscher, Yaacov; Compton, Donald L.; Steacy, Laura; Kinnon, Hannah – Annals of Dyslexia, 2020
Models of word reading that simultaneously take into account item-level and person-level fixed and random effects are broadly known as explanatory item response models (EIRM). Although many variants of the EIRM are available, the field has generally focused on the doubly explanatory model for modeling individual differences on item responses.…
Descriptors: Item Response Theory, Reading Skills, Individual Differences, Models
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Kim, Young-Suk; Petscher, Yaacov; Schatschneider, Christopher; Foorman, Barbara – Journal of Educational Psychology, 2010
In this study, we examined the relationship of growth trajectories of oral reading fluency, vocabulary, phonological awareness, letter-naming fluency, and nonsense word reading fluency from 1st grade to 3rd grade with reading comprehension in 1st, 2nd, and 3rd grades. Data from 12,536 children who were followed from kindergarten to 3rd grade…
Descriptors: Reading Comprehension, Reading Fluency, Academic Achievement, Phonological Awareness