A Comparative Study of AI-Generated (GPT-4) and Human-crafted MCQs in Programming Education
Authors: Jacob Doughty, Zipiao Wan, Anishka Bompelli, Jubahed Qayum, Taozhi Wang, Juran Zhang, Yujia Zheng, Aidan Doyle, Pragnya Sridhar, Arav Agarwal, Christopher Bogart, Eric Keylor, Can Kultur, Jaromir Savelka, Majd Sakr
AI-generated Key Points
- Study explores use of large language models (LLMs), specifically GPT-4, for generating multiple-choice questions (MCQs) in Python programming courses
- LLM-powered system generated 651 MCQs compared to 449 human-crafted MCQs aligned to 246 learning objectives (LOs)
- GPT-4 capable of producing MCQs with clear language, single correct choice, and high-quality distractors
- Generated MCQs well-aligned with LOs compared to human-crafted ones
- Educators often focus more on aligning MCQs with module topics rather than LOs, resulting in misalignment
- LLM-generated MCQs showed better alignment with LOs compared to human-crafted ones
- Limitations include manual association of MCQs with LOs and evaluation setup used in the study
- Results suggest LLM-powered tools can generate high-quality MCQs while reducing workload for instructors
- This could make updating and revising assessments more efficient and allow instructors to focus on student engagement and curriculum enhancement.
Abstract: There is a constant need for educators to develop and maintain effective up-to-date assessments. While there is a growing body of research in computing education on utilizing large language models (LLMs) in generation and engagement with coding exercises, the use of LLMs for generating programming MCQs has not been extensively explored. We analyzed the capability of GPT-4 to produce multiple-choice questions (MCQs) aligned with specific learning objectives (LOs) from Python programming classes in higher education. Specifically, we developed an LLM-powered (GPT-4) system for generation of MCQs from high-level course context and module-level LOs. We evaluated 651 LLM-generated and 449 human-crafted MCQs aligned to 246 LOs from 6 Python courses. We found that GPT-4 was capable of producing MCQs with clear language, a single correct choice, and high-quality distractors. We also observed that the generated MCQs appeared to be well-aligned with the LOs. Our findings can be leveraged by educators wishing to take advantage of the state-of-the-art generative models to support MCQ authoring efforts.
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