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Download full textAckerman, Matthew; Egalite, Anna J. – Program on Education Policy and Governance, 2015
When lotteries are infeasible, researchers must rely on observational methods to estimate charter effectiveness at raising student test scores. Considerable attention has been paid to observational studies by the Stanford Center for Research on Education Outcomes (CREDO), which have analyzed charter performance in 27 states. However, the…
Descriptors: Charter Schools, Observation, Special Education, Lunch Programs
Clark, Sheldon B.; And Others – 1991
Suggestions, based on the experience of researchers at Oak Ridge (Tennessee) Associated Universities (ORAU), are offered on how evaluations in which true experimental designs are not possible can be designed for meaningful comparison. The ORAU conducts evaluation and assessment studies of educational programs intended to explore some aspect of the…
Descriptors: Case Studies, Comparative Analysis, Control Groups, Databases
