The purpose of this mixed methods case study was threefold: (a) to describe 7th through 12th grade science teachers' efficacy beliefs, perceptions of support, and concerns about using inquiry-based instruction and examine how they are related to one another, (b) to explore how teachers reporting different levels of concerns demonstrate levels of…

This study describes how two 10th grade teachers designed a cross-disciplinary unit, using PBL instruction as a tool for helping students create a valid and convincing argument in their math class. The five week PBL unit focused around American Studies/English and geometry content. In order to measure the rigor and relevance of the unit, multiple…