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David Michael Simpson – ProQuest LLC, 2021
The Conover Solution is a nonparametric method used to analyze relative growth in students' achievement on state tests administered on two or more occasions. However, there has been very little research assessing the robustness of this method in the presence of missing data. Using vertically scaled and non-vertically scaled data from the math…
Descriptors: Academic Achievement, Data, Standardized Tests, Grade 4