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This brief provides guidance for evaluators on designing and reporting high quality Quasi-Experimental Design studies (QEDs) aligned with the Clearinghouse’s Handbook of Standards and Procedures, Version 2.0. This brief can help evaluators design and conduct rigorous QEDs and avoid common reasons that QEDs receive low ratings on the Clearinghouse’s design and execution standards. It describes the design and execution standards all QEDs reviewed by the Clearinghouse must meet to receive a rating of Moderate Support for Casual Evidence – the highest rating QEDs can receive.
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