This brief is directed to researchers and adds to the research base about instructional practices that are related to student achievement. Additional evidence on these relationships can suggest specific hypotheses for the future study of such instructional practices, which, in turn, will provide research evidence that could inform professional…

The authors, in a nonexperimental randomized study, used national data from the Early Childhood Longitudinal Study-Kindergarten Cohort (ECLS-K) to examine present instructional practices for Grade 5 mathematics classrooms and its impact on achievement for White non-Hispanic non-English language learners (ELLs), Hispanic non-ELLs, and Hispanic…

In this Appendix, we provide details about the data used for the current study, the curricula used in the classrooms from which data were collected, and the current study's methodological approach. (Contains 14 tables and 5 footnotes.)[For full report, see ED544189.]