History education scholars have recognized the need for test validity research in recent years and have called for empirical studies that explore how to best measure historical thinking processes. The present study was designed to help answer this call and to provide a model that others can adapt to carry this line of research forward. It employed…

Issues in designing valid tests for the National Assessment of Educational Progress (NAEP) are discussed. Test scores are often provided without any information on the nature of the tasks represented. Because test domains are defined by individual item writers, the generalizability between tests and items is suspect. While typical content…