Background/Context: Video-based professional learning (PL) models for math and science teachers have gained prominence over the past two decades (Borko, Koellner, Jacobs, & Seago, 2011; Sherin, 2003), with demonstrated impacts on teacher and student outcomes (Sun & van Es, 2015; Kersting, Givvin, Sotelo, & Stigler, 2010; Kersting,…

Over a decade ago, Borko (2004) raised the awareness of the education research community to the critical need for studies of teacher professional development (PD) programs. She states on page 13: "My challenge to the educational research community is this: We have much work to do and many questions to answer in order to provide high-quality…

The present study represented an effort to improve on the outcomes of the Puma (2006) study by creating a writing process program that provided students with compelling video models of effective writing practices in small writing teams. In this method, called Writing Wings with Media (WWM), students worked in 4-member, heterogeneous writing groups…

The research reported in this paper is focused directly on assessing the validity of the "Teaching Knowledge about Reading and Reading Practices" (TKRRP) assessment. Following the recommendations of the Standards for Educational and Psychological Testing (APA/AERA, 1999), the authors see validation as a process of constructing an…