Online professional development (OPD) has great potential to improve teacher quality by improving teachers' knowledge and instructional practices, with the ultimate goal of improving student achievement. There is a dearth of scientific research, however, on the effects of OPD. This article presents the results of a randomized control trial…

Recent calls for improvements in the teaching of science gave rise to the implementation of numerous reform strategies in the elementary classroom. Although, they have not met with success in all content areas, professional development workshops have been shown to be effective in producing changes in teachers, the teaching process, and ultimately…

This study examines online messages in a discussion forum that a group of K-12 history teachers used to discuss curriculum implementations as part of their professional development. It has 3 main research foci. First, it focuses on identifying the types of assistances provided to the teachers in an online forum. Second, it examines teachers'…

In this article we sought to understand how social studies teachers' metacognitive awareness of their technological, pedagogical, and content knowledge (TPACK) changed after their participation in a program that consisted of: (a) professional development for the use of an online learning environment; and (b) using an online learning environment in…