Gross, KelseyFrancisco, Aubrey2019-04-112019-04-112016http://hdl.handle.net/20.500.12265/34This guide for educational technology developers shares examples and promising practices for research-based product development, based on an analysis of 38 submissions to a crowdsource campaign of research-based ed-tech products.en-USedtechedtech efficacyevaluationlearning sciencesuser researchTechnical Report