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Cobb, Paul, Jere Confrey, Andrea diSessa, Richard Lehrer, and Leona Schauble. “Design Experiments in Educational Research.” Educational Researcher 32(1) (2003): 9-13. 


Indicates the range of purposes and variety of settings in which design experiments have been conducted, delineating five crosscutting features that collectively differentiate design experiments from other methodologies. Clarifies what is involved in preparing for and carrying out a design experiment and in conducting a retrospective analysis of the extensive, longitudinal data sets generated during an experiment. Discusses issues of logistics and measure.