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Rickles, Jordan H. – Evaluation Review, 2011
Many inquiries regarding the causal effects of policies or programs are based on research designs where the treatment assignment process is unknown, and thus valid inferences depend on tenuous assumptions about the assignment mechanism. This article draws attention to the importance of understanding the assignment mechanism in policy and program…
Descriptors: Assignments, Program Evaluation, Academic Achievement, Ability Grouping
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Barrett, Nathan; Butler, J. S.; Toma, Eugenia F. – Evaluation Review, 2012
Background: In an ongoing effort to improve teacher quality, most states require continuing education or professional development for their in-service teachers. Studies evaluating the effectiveness of various professional development programs have assumed a normal distribution of quality of teachers participating in the programs. Because…
Descriptors: Teacher Effectiveness, Program Effectiveness, Faculty Development, Professional Continuing Education
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Palen, Lori-Ann; Graham, John W.; Smith, Edward A.; Caldwell, Linda L.; Mathews, Catherine; Flisher, Alan J. – Evaluation Review, 2008
This article describes rates of missing item responses in personal digital assistant (PDA) assessments as compared to paper assessments. Data come from the evaluation of a classroom-based leisure, life skills, and sexuality education program delivered to high school students in Cape Town, South Africa. Analyses show that the paper assessments had…
Descriptors: Evaluation Research, Sex Education, Foreign Countries, Sexuality