Although many states in the United States are adopting policies that require all students to complete college-preparatory science classes to graduate from high school, such policies have not always led to improved student outcomes. There is much speculation about the cause of the dismal results, but there is scant research on the processes by…

Education in science serves three purposes. First, it prepares students to study science at higher levels of education. Second, it prepares students to enter the workforce, pursue occupations, and take up careers. Third, it prepares them to become more scientifically literate citizens. The relative priority and alignment of these three purposes…

This paper presents an overview of the inservice model used by the National Science Foundation supported Project INLAB (Integrating Laboratory Instruction and Assessment) to challenge and change science teachers' laboratory instruction and assessment practice. The framework that guides the instructional strategies and activities of INLAB is based…