Jessica DeCuir-Gunby, head of the Department of Teacher Education and Learning Sciences at North Carolina State University, led the Spring 2022 Nebraska Methodology Workshop Series April 7 and 8.
Maria Elena Oliveri, associate director of psychometric consulting at the University of Nebraska–Lincoln’s Buros Center for Testing, led the second presentation of the Fall 2021 Methodology Applications Series Dec. 10.
In her Nov. 4 research keynote, “Causal Generalizations: Building Connections Between Science and Policy,” Tipton reflected on her work as a statistician developing methods to improve the external validity of high internal validity designs. She discussed her design and analysis of individual field trials, as well as the collection of evidence across trials using meta-analysis.Full Article
Regression discontinuity design (RDD) is an evaluation that assesses the impact of a need-based, targeted intervention. It relies on a cutoff point on an assignment measure that typically evaluates participants’ need, or threshold, above or below which an intervention is assigned. By comparing post-test scores around the cutoff, researchers can identify the intervention’s impact on a given outcome.Full Article