High quality professional development programs and opportunities for teachers are a vital aspect in improving early student achievement. This study adopts a professional development model which tested the difference in early literacy skills and performance of students (n=2028) in Grades 1-3 over a 12-week teacher training program (n=25). The data…

This study investigates, through a cluster randomized trial, the impact of "Math in Focus," a core mathematics program modeled after instructional approaches used in Singapore, on third- through fifth-grade students' achievement in mathematics. The program is currently being used in more than 400 school districts in the United States.…

The purpose of this study was to investigate the reliability and validity of a newly developed survey instrument, the "Primary Practices Questionnaire" ("PPQ"), designed to measure first, second, and third grade teachers' perceived use of developmentally appropriate practices. The initial item pool was reviewed for content…