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Taber, Keith S. – Studies in Science Education, 2019
Experimental studies are often employed to test the effectiveness of teaching innovations such as new pedagogy, curriculum, or learning resources. This article offers guidance on good practice in developing research designs, and in drawing conclusions from published reports. Random control trials potentially support the use of statistical…
Descriptors: Instructional Innovation, Educational Research, Research Design, Research Methodology
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Arzi, Hanna J. – Studies in Science Education, 1988
Short-term studies often do not capture the full story of the effect that a researcher is trying to describe. If one wishes to elucidate long-term educational processes and outcomes, the only direct way of doing so is to stretch the duration of research projects and to study the same subjects over time. The limited availability of valid…
Descriptors: Literature Reviews, Longitudinal Studies, Research Design, Research Methodology