The use of Extended Reality (XR) (i.e. Virtual and Augmented Reality) for nutrition education and behavior change has not been comprehensively reviewed. This paper presents findings from a scoping review of current published research. Articles (n = 92) were extracted from PubMed and Scopus using a structured search strategy and selection approach. Pertinent study information was extracted using a standardized data collection form. Each article was independently reviewed and coded by two members of the research team, who then met to resolve any coding discrepancies. There is an increasing trend in publication in this area, mostly regarding Virtual Reality. Most studies used developmental testing in a lab setting, employed descriptive or observational methods, and focused on momentary behavior change like food selection rather than education. The growth and diversity of XR studies suggest the potential of this approach. There is a need and opportunity for more XR technology focused on children and other foundational theoretical determinants of behavior change to be addressed within nutrition education. Our findings suggest that XR technology is a burgeoning approach in the field of nutrition, but important gaps remain, including inadequate methodological rigor, community application, and assessment of the impact on dietary behaviors.
To provide students with an understanding of their role in preventing and treating childhood obesity, US medical schools need to provide students with childhood obesity-specific and general nutrition education. To build their self-efficacy in nutrition counseling, schools can use a combination of observation and practice led by skilled physicians and other healthcare providers. Increasing students' self-efficacy through training may help them overcome perceived barriers to childhood obesity prevention and treatment.
Service-learning programs provide students with opportunities to gain discipline-specific skills, while providing community organizations with a steady pool of volunteers. However, because students may lack the skills needed to effectively serve the community, skills-based training may need to be incorporated into service-learning courses. Students in a community nutrition service-learning course engaged in 7 weeks of training before teaching a 6-week-long nutrition education course to community members. The training included three layers of activities: (1) basic activities, which introduced the students to material necessary to build skills for their service-learning experience; (2) directed activities, which allowed them to refine a targeted skillset; (3) and collective activities, which allowed for the application of multiple skills. Through qualitative interviews with 12 of the 19 students who had been enrolled in the course, we determined the impact of a pre-service-learning training program on the development of the skills necessary to successfully teach a nutrition education course. Thematic analysis of the data revealed two major themes: (1) "layered learning" activities facilitate skill building and (2) a stressful, yet supportive, environment facilitates growth. Together, these aspects of course design allow students to develop skills and their self-efficacy in those skills. Therefore, instructors who plan to incorporate servicelearning into their nutrition courses may benefit from designing a pre-servicelearning training to improve student learning outcomes.
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