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Direct linkSt.Clair, Travis; Cook, Thomas D.; Hallberg, Kelly – American Journal of Evaluation, 2014
Although evaluators often use an interrupted time series (ITS) design to test hypotheses about program effects, there are few empirical tests of the design's validity. We take a randomized experiment on an educational topic and compare its effects to those from a comparative ITS (CITS) design that uses the same treatment group as the experiment…
Descriptors: Time, Evaluation Methods, Measurement Techniques, Research Design
Download full textCamilli, Gregory – Education and the Public Interest Center, 2009
According to a new study of Milwaukee public schools, student achievement has benefited from voucher-based school competition. A novel method, using geocoding, was proposed for measuring the degree of competition within the city of Milwaukee and, in turn, for determining whether such competition has increased or decreased the achievement of public…
Descriptors: Public Schools, School Choice, Academic Achievement, Competition
Miron, Gary; Applegate, Brooks – Education and the Public Interest Center, 2009
The Center for Research on Education Outcomes (CREDO) at Stanford University conducted a large-scale analysis of the impact of charter schools on student performance. The center's data covered 65-70% of the nation's charter schools. Although results varied by state, 17% of the charter school students have significantly higher math results than …
Descriptors: Evidence, Traditional Schools, Charter Schools, Program Effectiveness
Reardon, Sean F. – Education and the Public Interest Center, 2009
"How New York City's Charter Schools Affect Achievement" estimates the effects on student achievement of attending a New York City charter school rather than a traditional public school and investigates the characteristics of charter schools associated with the most positive effects on achievement. Because the report relies on an…
Descriptors: Charter Schools, Academic Achievement, Achievement Gains, Achievement Rating
Cantrell, Pamela – School Science and Mathematics, 2003
The difference in gain scores produced by traditional pretests and those produced by retrospective pretests when compared to posttest scores on the Science Teaching Efficacy Belief Instrument for preservice teachers was investigated in this study. Results indicated that gain scores using the traditional pretest produced significant improvement in…
Descriptors: Pretests Posttests, Validity, Scores, Preservice Teachers
Maihoff, N. A.; Mehrens, Wm. A. – 1985
A comparison is presented of alternate-choice and true-false item forms used in an undergraduate natural science course. The alternate-choice item is a modified two-choice multiple-choice item in which the two responses are included within the question stem. This study (1) compared the difficulty level, discrimination level, reliability, and…
Descriptors: Classroom Environment, College Freshmen, Comparative Analysis, Comparative Testing
