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Barreca, Alan I.; Lindo, Jason M.; Waddell, Glen R. – National Bureau of Economic Research, 2011
This study uses Monte Carlo simulations to demonstrate that regression-discontinuity designs arrive at biased estimates when attributes related to outcomes predict heaping in the running variable. After showing that our usual diagnostics are poorly suited to identifying this type of problem, we provide alternatives. We also demonstrate how the…
Descriptors: Statistical Bias, Regression (Statistics), Research Design, Monte Carlo Methods
Guthrie, James; And Others – 1968
The central purpose of this study was to examine the relationship between distribution of teaching talent and geographic location of local school districts of California. School districts were assigned to one of four geographic categories (urban, suburban, rural, or small urban centers). Each category's teaching talent was assessed on six measures…
Descriptors: Comparative Analysis, Data Analysis, Educational Opportunities, Educationally Disadvantaged
Kirst, Michael W., Ed.; Venezia, Andrea, Ed. – Jossey-Bass, An Imprint of Wiley, 2004
This book reveals why so many students are entering college unprepared for college level work and often unable to complete a degree. This important book presents the findings of the Bridge Project, a major national research study conducted by Stanford University and funded by The Pew Charitable Trusts and the U.S. Department of Education. The…
Descriptors: Research Design, Educational Change, Graduation Rate, College Admission