I'm not sure I've ever seen a paper covering learning technology in food services training, so kudos to this paper (19 page PDF) for that (and it allows me to reminisce about my own background in the industry). Also kudos to the authors for reporting what is essentially a negative result - compared to people who used video training only, the smart glasses group were less likely to wash their hands, and less likely to do it properly. Of course, the small number of participants means we can't rely on the quantitative results, but still, the finding that using smart glasses does not automatically improve performance in a physical task is worth noting.
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