We conducted a 14-week experimental study of 2 versions of a relatively comprehensive RC intervention that involved 50 classroom teachers, 15 tutors, and 116 children drawn in equal proportions from grades 3 and 5 in 13 schools in a large urban school district. Students were randomly assigned in equal numbers to the two tutoring conditions and a…

We conducted a 14-week experimental study of 2 versions of a relatively comprehensive RC intervention that involved 50 classroom teachers, 15 tutors, and 120 children drawn in equal proportions from grades 3 and 5 in 13 schools in a large urban school district. Students were randomly assigned in equal numbers to the 2 tutoring conditions and a…

Relationship between teacher efficacy and professional development in international schools of China was a quantitative experimental study that determined the correlation between professional development attendance and teachers' sense of self-efficacy. Supporting this data was a secondary investigation to determine if changes in teachers' sense of…

Teachers spend most of their time in school in classrooms, and their instruction and teaching practices may be affected by classroom context such as class size. We examine whether teacher effects interact with classroom context such as class size. Specifically, we seek to determine whether teacher effects are more pronounced in small classes than…

This study investigated the effectiveness of oral metalinguistic feedback and recasts as well as the effect of focused tasks (FT) in the development of implicit and explicit knowledge during video-conference interactions. This was accomplished by partial replication of a study performed in a classroom setting. Three groups of Brazilian EFL…

This study was inspired by the final regulations for the No Child Left Behind Act (NCLB) indicating that each state has the option to develop a new assessment for students whose disabilities have kept them from obtaining proficiency. Sets of high school science achievement items were enhanced for the new test. A 3-by-2, within subjects,…

This paper presents the results of a rigorous experiment examining the impact of pay for performance on student achievement and instructional practice. This study, conducted by the National Center on Performance Incentives in partnership with the RAND Corporation examines an experimental pay for performance program administered via a randomized…

This paper argues that Educational Effectiveness Research (EER) should establish closer links with research on teacher professional development. A dynamic integrated approach (DIA) to teacher professional development is proposed. The methods and results of a study comparing the impact of the DIA and the Holistic Approach (HA) to teacher…

Opportunity NYC-Family Rewards, an experimental, privately funded, conditional cash transfer (CCT) program to help families break the cycle of poverty, was the first comprehensive CCT program in a developed country. Launched in 2007 by New York City's Center for Economic Opportunity (CEO), Family Rewards offered cash assistance to low-income…