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What Works Clearinghouse, 2009
The selected study examined the long-term effects of the "Seattle Social Development Project (SSDP)," an elementary-school-based intervention designed to improve students' social skills and engagement. The study analyzed data on about 600 young adults who had been students in 15 public elementary schools serving high-crime areas in…
Descriptors: Data Analysis, Public Schools, Elementary School Students, Longitudinal Studies