Sometimes 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 treatment where there are two running variables…

The Montgomery County (Maryland) Public Schools (MCPS) Class of 2014 consistently outperformed graduates across Maryland and the nation on all sections of the ACT, according to the ACT, Inc. annual report that was released Wednesday, August 20, 2014. Thirty percent of the graduates in the MCPS Class of 2014 took the ACT exam. According to the ACT,…

Data from a sample of 2,593 high school seniors (58% female) were used to study the relationship between courses taken and scores on the American College Testing (ACT) English Usage Test, the ACT Mathematics Usage Test, the ACT Social Studies Reading Test, and the ACT Natural Sciences Reading Test. For English and Mathematics, test performance…

In the fall of 1986, a pilot study was conducted to investigate the differential performance at the item level of Mexican-American students who spoke English as a second language (ESL) versus White native English speakers. This study was designed to replicate the pilot study and test the hypotheses based on that study. The test materials used were…

This paper discussed methods currently under study for use with multiple-response data. Besides using Bonferroni inequality methods to control type one error rate over a set of inferences involving multiple response data, a recently proposed methodology of plotting the p-values resulting from multiple significance tests was explored. Proficiency…