U.S. Department of Education, Office of Educational Technology
School district administrators across the country routinely make decisions that have the potential to affect students’ outcomes. As school districts invest in new educational technologies, decision makers need timely, trustworthy evidence on the technologies’ effectiveness and the best strategies for implementing them. Traditionally, experience, recommendations, and marketing materials have been used to support these decisions.
Evidence & Insights From This Project

Understanding Evidence: New Guide Explains Four Key Types and How to Evaluate Them
A new guide from CIRE describes four key types of evidence—anecdotal, descriptive, correlational, and causal and explains how to tell which type provides strong support for claims about effectiveness, ordering the from weakest to strongest. It also gives examples of common sources for each type.
Learn MoreEfficiency Meets Impact.
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