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Kim, Young-Suk Grace; Petscher, Yaacov; Wanzek, Jeanne; Al Otaiba, Stephanie – Reading and Writing: An Interdisciplinary Journal, 2018
We investigated developmental trajectories of and the relation between reading and writing (word reading, reading comprehension, spelling, and written composition), using longitudinal data from students in Grades 3-6 in the US. Results revealed that word reading and spelling were best described as having linear growth trajectories whereas reading…
Descriptors: Correlation, Longitudinal Studies, Grade 3, Grade 4
Kim, Young-Suk Grace; Petscher, Yaacov; Wanzek, Jeanne; Al Otaiba, Stephanie – Grantee Submission, 2018
We investigated developmental trajectories of and the relation between reading and writing (word reading, reading comprehension, spelling, and written composition), using longitudinal data from students in Grades 3-6 in the US. Results revealed that word reading and spelling were best described as having linear growth trajectories whereas reading…
Descriptors: Correlation, Longitudinal Studies, Grade 3, Grade 4
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Reed, Deborah K.; Petscher, Yaacov; Foorman, Barbara R. – Reading and Writing: An Interdisciplinary Journal, 2016
This study examined the contributions of vocabulary and spelling to the reading comprehension of students in grades 6-10 who were and were not classified as English language learners. Results indicate that vocabulary accounted for greater between-grade differences and unique variance (?R[superscript 2] = 0.11-0.31) in comprehension as compared to…
Descriptors: Vocabulary, Spelling, Reading Comprehension, Grade 6