format.To assess content knowledge, the PBL Challenges include a test bank consisting of multiple-choice questions, closed-ended problems, and higher-level thought provoking questions centeredon specific technical content associated with the particular problem. Conceptual knowledge Page 15.985.9refers to a student’s understanding of and relationship between key concepts underlying aparticular domain of knowledge. To assess conceptual knowledge, the PBL Challenges include alist of main concepts related to the topic being explored, a reference or “expert” concept map forinstructors, detailed instructions for students on how to construct a concept map, and