Why we need better reports of teacher professional development interventions for finding out what works where: Worldwide, billions of dollars are invested yearly in the professional development of in-service teachers ($14 billion in the USA alone, as of 2014; Bill & Melinda Gates Foundation, 2014). This makes the question of what effects TPD…

This study is part of the core research agenda of the five-year, Goal 3 grant funded by the Institute of Education Sciences, U. S. Department of Education "Improving the Teaching and Learning of English Language Learners: The Instructional Conversation Model." In video review of teaching, bias in evaluation or rating is evident in many…

Previous research has linked inquiry-based science instruction (i.e., science instruction that engages students in doing science rather than just learning about science) with greater gains in student learning than text-book based methods (Vanosdall, Klentschy, Hedges & Weisbaum, 2007; Banilower, 2007; Ferguson 2009; Bredderman, 1983;…

The purpose of this study is to extend the work of Spybrook and Raudenbush (2009) and examine how the research designs and sample sizes changed from the planning phase to the implementation phase in the first wave of studies funded by IES. The authors examine the impact of the changes in terms of the changes in the precision of the study from the…

Rigorous research provides information that will allow other schools and districts to select interventions that have a scientifically based track record of effectiveness. All Striving Reader grants include the mandate to evaluate literacy intervention(s) targeted to adolescents who are reading significantly below grade level. Although all studies…