Abstract
Using Messick’s (1995, 1996) framework for validity, six aspects of construct validation are outlined to guide the validation of performance-based assessments: content, substantive, structural, generalizability, external, and consequential. Each aspect is discussed, with the focus on studies that could be conducted within the context of a large-scale educational assessment. Also discussed are the issues that affect construct validation within that context, and recommendations for future areas of study are outlined.
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