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Mueller, Christoph Emanuel; Gaus, Hansjoerg – American Journal of Evaluation, 2015
In this article, we test an alternative approach to creating a counterfactual basis for estimating individual and average treatment effects. Instead of using control/comparison groups or before-measures, the so-called Counterfactual as Self-Estimated by Program Participants (CSEPP) relies on program participants' self-estimations of their own…
Descriptors: Intervention, Research Design, Research Methodology, Program Evaluation
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Hatzikraniotis, E.; Kallery, M.; Molohidis, A.; Psillos, D. – Physics Education, 2010
This article examines secondary students' design of experiments after engagement in an innovative and inquiry-oriented module on heat transfer. The module consists of an integration of hands-on experiments, simulated experiments and microscopic model simulations, includes a structured series of guided investigative tasks and was implemented for a…
Descriptors: Science Activities, Compulsory Education, Research Methodology, Heat