Abstract
In this research report, we describe the conceptual foundation and measurement properties of the Reading Inventory and Scholastic Evaluation (RISE). The RISE is a 6‐subtest, Web‐administered reading skills components battery. We review the theoretical and empirical foundations of each subtest in the battery, as well as item designs. The results included in this report feature a calibrated item pool based on a national sample of students, an extension of the vertical scale to span Grades 3–12, psychometric analyses of the data for each subtest, an item response theory scaling study for each of the subtests across the entire grade span, an evaluation of multidimensionality, an evaluation of differential item functioning for gender and race/ethnicity, and an expanded review of validity evidence.
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