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Published on: June 6, 2017
From notecards to know-how: scaling "Muddiest Point" feedback for high-enrollment microbiology
Jordan A Smink1, Robert W Lamb2
1Department of Biological Sciences, Mississippi State University, Starkville, Mississippi, USA.
Journal of Microbiology & Biology Education
|June 30, 2026
Summary
Large microbiology courses can now provide timely feedback using a scalable workflow. This method transforms student "muddiest point" responses into a reusable review video, addressing common learning gaps efficiently.
Area of Science:
- Microbiology Education
- Educational Technology
Background:
- Providing timely feedback in large enrollment courses is challenging.
- Muddiest Point prompts identify student misconceptions but generate high response volumes.
Purpose of the Study:
- To describe a scalable workflow for converting student feedback into a reusable instructional resource.
- To enhance formative feedback delivery in high-enrollment microbiology courses.
Main Methods:
- Aggregating student "muddiest point" responses into recurring themes.
- Prioritizing themes by frequency and instructional importance.
- Creating an instructor-generated, chaptered review video with active learning prompts.
Main Results:
- A reusable feedback artifact was developed, preserving instructor voice.
- Students can access targeted reviews of difficult concepts.
- The workflow supports active video engagement through prompts and activities.
Conclusions:
- This workflow offers a practical method for providing sustained formative feedback in large courses.
- It leverages common instructional tools for efficient feedback delivery.
- Adaptable for various educational contexts (lecture, lab, hybrid, online).
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