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ERIC Number: ED519506
Record Type: Non-Journal
Publication Date: 2011
Pages: 6
Abstractor: ERIC
Reference Count: 7
Using Local Matching to Improve Estimates of Program Impact: Evidence from Project STAR
Jones, Nathan; Steiner, Peter; Cook, Tom
Society for Research on Educational Effectiveness
In this study the authors test whether matching using intact local groups improves causal estimates over those produced using propensity score matching at the student level. Like the recent analysis of Wilde and Hollister (2007), they draw on data from Project STAR to estimate the effect of small class sizes on student achievement. They propose a strategy for intact group matching in which they match treatment cases to control cases in other schools. A secondary goal of this analysis is to determine whether the use of geographic covariates (including latitude and longitude, as well as Census variables) improve the quality of matches over the use of student, teacher, and school covariates alone. They hypothesize that by incorporating physical distance into their matching, they will increase their likelihood of finding maximally similar comparison classrooms.
Society for Research on Educational Effectiveness. 2040 Sheridan Road, Evanston, IL 60208. Tel: 202-495-0920; Fax: 202-640-4401; e-mail:; Web site:
Publication Type: Reports - Research
Education Level: Elementary Secondary Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: Society for Research on Educational Effectiveness (SREE)