Introduces the articles of this theme issue focusing on the involvement of key stakeholder groups in the validation of large-scale high-stakes assessments. Each makes a unique but complementary contribution to the understanding of the demands of a comprehensive validation effort. (SLD)

A strength of this exploration of testing and test use in the United States is the concern for how tests affect student conceptions of learning and student relation to knowledge. A weakness is a persistent confounding of classroom and large-scale assessment for state and national purposes. (SLD)