We present an inquiry-based, aquatic science professional development (PD) for upper-elementary, middle, and high school teachers and examine changes in student outcomes in light of participating teachers' characteristics and the grade band of the students. Our study lends support to the assertion that inquiry- and content-focused PD, paired with…

The purpose of this study was to determine if factors to predict success in college biology (i.e., prior knowledge of biology or reasoning ability) depend on the instructional method employed (i.e., expository or inquiry). Reasoning ability was found to account for a significant amount of variance in final examination scores, regardless of…

Discusses the gender differences revealed on the science content items of the National Assessment of Educational Progress Science Assessment. Examines explanations for the differences, including differential prior instruction, differential response to uncertainty, differential response to figurally presented items, and different attitudes toward…