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Waesche, Jessica S. Brown; Schatschneider, Christopher; Maner, Jon K.; Ahmed, Yusra; Wagner, Richard K. – Journal of Learning Disabilities, 2011
Rates of agreement among alternative definitions of reading disability and their 1- and 2-year stabilities were examined using a new measure of agreement, the affected-status agreement statistic. Participants were 288,114 first through third grade students. Reading measures were "Dynamic Indicators of Basic Early Literacy Skills" Oral…
Descriptors: Reading Fluency, Definitions, Economically Disadvantaged, Low Achievement