Investigating the processes underlying test performance is a major source of data supporting the explanation inference in the validity argument (Chappelle, 2021). One way of modeling the cognitive processes underlying test performance is by constructing a Q-matrix, which is essentially about summarizing the attributes explaining test-takers'…

In this technical report, the authors describe the development and piloting of reading comprehension measures as part of a comprehensive progress monitoring literacy assessment system developed in 2006 for use with students in Kindergarten through fifth grade. They begin with a brief overview of the two conceptual frameworks underlying the…