There is an extensive body of research establishing measures of oral reading fluency as valid and reliable predictors of important reading outcomes and performance on high stakes tests (Good, Simmons, & Kame'enui, 2001). The present study was conducted to determine whether these findings also apply to the Florida Comprehensive Assessment Test…

This study introduces a co-twin control method commonly used in the medical literature but not often within educational research. This method allows for a comparison of twins discordant for an "exposure," approximating alternative outcomes in the counterfactual model. Example analyses use data drawn from the Florida Twin Project on…

The precursors of early English reading success have been widely studied for native English-speaking students, and those findings have been generalized to the English language learner (ELL) student population. However, the development of English language acquisition may be different for ELL students. The purpose of this study was to investigate…

Policy changes at the federal and state level are endeavoring to improve student achievement at schools serving children from lower-SES homes. One important strategy is the focus on using evidence-based core reading curricula to provide a consistent framework for instruction across schools. However, rarely have these curricula undergone rigorous…