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Lily An
Beg to DIFfer: Resolving Statistical Complications of Intersectional DIF Analyses
Topics: MethodsTags: Assessment, EquityModern test developers conduct differential item functioning (DIF) analyses to ensure fairness in educational and psychological testing. To address previously unrecognized biases, researchers have recently demonstrated the importance of conducting intersectional DIF analyses that attend to the… more →
Using Gaussian Process Regression in Two-Dimensional Regression Discontinuity Designs
Topics: MethodsTags: High schools, Instructional designSometimes a treatment, such as receiving a high school diploma, is assigned to students if their scores on two inputs (e.g., math and English test scores) are above established cutoffs. This forms a multidimensional regression discontinuity design (RDD) to analyze the effect of the educational… more →
The Impact of Summer Programs on Student Mathematics Achievement: A Meta-Analysis
Tags: Mathematics educationWe present results from a meta-analysis of 37 contemporary experimental and quasi-experimental studies of summer programs in mathematics for children in Grades pre-K-12, examining what resources and characteristics predict stronger student achievement. Children who participated in summer programs… more →