Considerable effort has been made over the past decade to address the needs of learners in large urban districts through scaleable reform initiatives. We examine the effects of a multifaceted scaling reform that focuses on supporting standards based science teaching in urban middle schools. The effort was one component of a systemic reform effort…

Professional development is seen as one of the major levers for aligning science instruction in the USA with the vision put forth by national standards documents. Although there is a growing consensus regarding what constitutes effective professional development, there is little empirical evidence to support this consensus. This study examines the…

Discusses professional development in the context of the current reforms in science education from the perspective of developing teacher knowledge. Points out the unsuccessful reform movement due to lack of considering teachers' existing knowledge, attitudes, and behaviors. Concludes that long-term professional development programs are needed to…

Employs hierarchical linear modeling to examine the relationship between professional development and the reformers' vision of teaching practice. Indicates that the quantity of professional development in which teachers participate is strongly linked with both inquiry-based teaching practice and investigative classroom culture. (Contains 39…

Examines the influence of standards-based teaching practices on the achievement of urban, African-American, middle school science students. Indicates that teachers who frequently used standards-based teaching practices positively influenced students' achievement and attitudes. Supports the efficacy of high-quality professional development to…

Reports on the design of a model for transformational science teaching that focuses on linking theory with practice through curriculum decision making. This model is the framework for professional-development sessions for middle-grade science teachers. Contains 63 references. (DDR)

To promote large-scale science education reform, developers must create innovations that teachers can use to learn and enact new practices. As part of an urban systemic reform effort, science materials were designed to reflect desired reforms and to support teacher thinking by addressing necessary content, pedagogy, and pedagogical content…

Project LIFE, a state systemic initiatives professional development program for middle-grade life science teachers, has been successful in improving the science content knowledge, process skills, and attitudes toward teaching science of the teachers participating in the project. The essential characteristics of this project are described as a…

In this study, we seek a better understanding of how individuals and their daily interactions shape and reshape social structures that constitute a classroom community. Moreover, we provide insight into how discourse and classroom interactions shape the nature of a learning community, as well as which aspects of the classroom culture may be…