A valuable extension of the single-rating regression discontinuity design (RDD) is a multiple-rating RDD (MRRDD). To date, four main methods have been used to estimate average treatment effects at the multiple treatment frontiers of an MRRDD: the "surface" method, the "frontier" method, the "binding-score" method, and…

This report examines the differences in impact estimates and standard errors that arise when these are derived using state achievement tests only (as pre-tests and post-tests), study-administered tests only, or some combination of state- and study-administered tests. State tests may yield different evaluation results relative to a test that is…

Bootstrap analysis, both for nonparametric statistical inference and for describing sample results stability and replicability, has been gaining prominence among quantitative researchers in educational and psychological research. Procedurally, however, it is often quite a challenge for quantitative researchers to implement bootstrap analysis in…

This report based on the March 1985 supplement to the Current Population Survey presents demographic, social, and economic data on the Hispanic population in the United States, and focuses on social and economic changes between 1982 and 1985. The Hispanic civilian noninstitutional population in March 1985 totaled about 17 million, a 17% increase…

This advance report based on the March 1988 supplement to the Current Population Survey (CPS) presents preliminary data on selected demographic, social, and economic characteristics of the Hispanic population of the United States. The Hispanic civilian noninstitutional population in March 1988 totaled about 19.4 million, a 34% increase since 1980;…