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Kuhfeld, Megan; Langi, Meredith; Lewis, Karyn – NWEA, 2022
The purpose of this technical appendix is to share more detailed results and to describe more fully the sample and methods used in the research included in the brief, "The Widening Achievement Divide during COVID-19." The authors investigated two main research questions in this brief: (1) To what degree have students' reading and math…
Descriptors: Achievement Gap, Mathematics Achievement, Reading Achievement, COVID-19