Immersive virtual reality (IVR) based simulation and training is gaining increasing importance in vocational education and training (VET). However, while IVR is primarily investigated and utilized in technical domains, its implementation and the resulting effects in commercial education remain largely unexplored. Moreover, the experience of motion sickness is a widely reported phenomenon while using IVR, which can interfere with cognitive processes and should therefore be considered more closely in terms of learning and instruction. This explorative study focuses on domain-specific knowledge acquisition in vocational apprenticeship for retailers and the accompanying side effects on students’ wellbeing in an IVR-based learning environment. For this purpose, an IVR-based scenario in a virtual supermarket was developed and tested with trainees in the field of retail at a German commercial vocational school. Using a quasi-experimental pretest-posttest design, we compared the effects of IVR-based and conventional instruction on domain-specific knowledge acquisition in a sample of first-year trainees (N = 79). The findings indicate an advantage of IVR in the acquisition of domain-specific knowledge (ɳ2 =.261). Although moderate motion sickness symptoms were reported in the experimental group, no direct links between the experience of motion sickness and learning outcomes could be identified. These findings advance the current knowledge about learning-related effects of IVR-based instruction in the field of VET and provide further understanding about the special conditions of IVR scenarios conducive to learning. © 2023, Swiss State Secretariat for Education, Research and Innovation (SERI).
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