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Richard A. Miech; Lloyd D. Johnston; Megan E. Patrick; Patrick M. O’Malley – Institute for Social Research, 2024
Monitoring the Future (MTF) is designed to give such attention to substance use among the nation's youth and adults. It is an investigator-initiated study that originated with, and is conducted by, teams of research professors at the University of Michigan's Institute for Social Research. MTF contains ongoing national surveys of both adolescents…
Descriptors: National Surveys, Secondary School Students, Intervention, Drug Use
Porter, Kristin E.; Reardon, Sean F.; Unlu, Fatih; Bloom, Howard S.; Robinson-Cimpian, Joseph P. – MDRC, 2014
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…
Descriptors: Regression (Statistics), Research Design, Quasiexperimental Design, Research Methodology