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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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Petscher, Yaacov; Quinn, Jamie M.; Wagner, Richard K. – Developmental Psychology, 2016
Conceptualizations of developmental trends are driven by the particular method used to analyze the period of change of interest. Various techniques exist to analyze developmental data, including individual growth curve analysis in observed and latent frameworks, cross-lagged regression to assess interrelations among variables, and multilevel…
Descriptors: Individual Development, Correlation, Longitudinal Studies, Oral Reading