This study was designed to investigate whether teacher literacy content knowledge affects student achievement in Texas schools. Teacher participants from Texas public schools completed a three-part survey. In Parts 1 and 2, teachers completed a demographic section and teacher knowledge of foundational reading skills. The survey consisted of…

The purpose of this replication study was to examine the impact of the Teacher Study Group (TSG) professional development in vocabulary on first-grade teachers' knowledge of vocabulary instruction and observed teaching practice, and on students' vocabulary knowledge. Sixty-two schools from 16 districts in four states were randomly assigned to…

There is considerable research on teachers' beliefs and teachers' knowledge, but little empirical evidence exists as to the interplay between them. This article reports a study of 356 Norwegian teachers who answered a questionnaire and a multiple-choice test. Based on this study, the connections between two knowledge constructs and two beliefs…

We examined the relations of teacher knowledge (n = 42 first-grade teachers), explicit decoding instruction provided, and students' (n = 437) word-reading gains. Results revealed an interaction between teacher knowledge and observed decoding instruction: For students of more knowledgeable teachers, more time in explicit instruction predicted…

The purpose of this large-scale, multi-year, national study is to determine whether some early elementary school math curricula are more effective than others at improving student math achievement, thereby providing educators with information that may be useful for making adequate yearly progress. The main questions being addressed by the study…

As teacher quality becomes a central issue in discussions of children's literacy, both researchers and policy makers alike express increasing concern with how teachers structure and allocate their lesson time for literacy-related activities as well as with what they know about reading development, processes, and pedagogy. The authors examined the…

A fundamental issue inherent to education policy is whether teacher qualifications such as certification status, degree level, preparation, and experience predict student achievement. While existing research provides some direction regarding the potential importance of these qualifications for productivity in secondary schools, less is known about…