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Protopapas, Athanassios; Sideridis, Georgios D.; Mouzaki, Angeliki; Simos, Panagiotis G. – Journal of Learning Disabilities, 2011
The presence of Matthew effects was tested in students of varying reading, spelling, and vocabulary skills. A cross-sequential design was implemented, following 587 Grade 2 through 4 students across five measurement points (waves) over 2 years. Students were administered standardized assessments of reading, spelling, and vocabulary. Results…
Descriptors: Reading Comprehension, Spelling, Academic Achievement, Grade 2