Efficacy, the Golden Ratio, and the OER Impact Factor - 1 views
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Mathieu Plourde on 31 Mar 14" when access conditions in the research lab do not mirror access conditions in the real world, efficacy studies tell us nothing about the actual efficacy of a product. We have to add a consideration of students' ability to actually access and use (and as I have argued elsewhere, own a copy of) the product to discussions about efficiacy."