Inter-rater reliability (IRR), which is a prerequisite of high-quality ratings and assessments, may be affected by contextual variables, such as the rater's or ratee's gender, major, or experience. Identification of such heterogeneity sources in IRR is important for the implementation of policies with the potential to decrease measurement error…

This report provides a resource for state and district assessment staff as they develop requests for proposals (RFPs) for interim assessments for all of their students, including those who require accessibility features, to demonstrate their knowledge and skills as well as those who may need an alternate assessment because of their significant…