Simulations were conducted to establish best practice in hyperparameter optimization and accounting for clustering in Generalized Linear Mixed-Effects Model Trees (GLMM trees). Using data-driven best practices, the relationship between a 9th Grade On-Track to Graduate (9G-OTG) indicator and observed high school graduation within four years was…

Research has consistently shown that traditional admission measures--SAT® scores and high school grade point average (HSGPA)--are valid predictors of early college performance such as first-year grades; however, their usefulness to predict later college outcomes has been questioned, especially for the SAT. This study builds on previous research…

[Slides] presented at AERA in Denver, CO in April 2010. In today's education climate, an enormous amount of pressure has been placed on states, school districts, and programs to produce graduates who are prepared to successfully enter, persist through, and graduate from the nation's universities and colleges. However, much of this research has…