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Integrating Problem-Based Learning in a Blended BioDefense Lab Course: A Comparative Study

This study explores the implementation of Problem-Based Learning (PBL) within a blended BioDefense Lab Methods course. It evaluates whether PBL is as effective as traditional online delivery in achieving unit learning objectives, focusing on students' perceptions of their learning experience. The course features authentic problems in a hybrid format, combining in-person laboratory work with online content. Using assessments, including rubrics and quizzes, the research examines student satisfaction, engagement, and the effectiveness of PBL compared to standard delivery methods.

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Integrating Problem-Based Learning in a Blended BioDefense Lab Course: A Comparative Study

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  1. Introduction of problem based learning (PBL) into a blended BioDefense Lab Methods course: Is PBL as effective as traditional online delivery for meeting unit learning objectives? What are student ‘s perceptions of learning through PBL?

  2. Rationale • Student Learning • PBL presents authentic problems • Do students meet the learning objectives • Student Satisfaction • Are students excited and engaged about the material • Implementation • New strategy for active learning in the online environment • Hybrid course – new aspect for course is the online component and PBL • Model for adjunct faculty

  3. Context • Hybrid lab course that presents the methods used in investigation and identification of a BioD agent • Meet every other week, in-person primarily hands-on laboratory experience • Class content and non-lab investigation methods will be delivered in the intervening weeks online • PBL units • Standard online delivery • Class is undergoing a complete restructuring because student reviews indicated that the course goals were not being met

  4. Study Design • 3 PBL unit during the semester • 2 standard online units • Student learning assessment • Use a rubric to grade all the problem based learning activities • Code PBL product for learning outcomes • Post quiz (multiple choice quiz) after every unit to determine if students learned the target concepts to determine if PBL was as effective/more effective than traditional online delivery • Student satisfaction: • Student survey (anonymous survey in zoomerang)

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