In this paper, we explore three different methods for administering computer-based tests at scale: (1) a dedicated Computer-Based Testing Center (CBTC), (2) Bring Your Own Device (BYOD) exams proctored in person in the classroom, and (3) BYOD exams proctored online via Zoom. We conducted two randomized crossover experiments to compare pairs of modalities against each other (CBTC vs BYOD-in-person and CBTC vs BYOD-online). We found that testing modality did not impact students' exam performance or students' preparation before exams. However, we observed that students preferred the modalities in which they had recently received the highest scores. Our results indicate that several different modalities can be effectively used to administer testing at scale for CS courses.
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Emeka et al. (2024) studied this question.
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