By Geneva D Haertel, Barbara Means, Linda G Roberts
Positive aspects chapters through ultra-modern prime professionals who define examine designs, methodologies, and kinds of tests that may be used to extra successfully assessment academic applied sciences.
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Extra info for Evaluating Educational Technology: Effective Research Designs for Improving Learning
Thus, studying eleventh graders features the Internet in a context where it is most likely to succeed. So any replications of the study should strive to make heterogeneous those factors correlated with dropping out—age, class, ethnicity, region, and prior computer use. Only then could we begin to learn about the generalized causal impact of using the Internet for research projects. However, our emphasis here is on implementing random assignment to test causal propositions about computers and learning, and for space reasons we pay less attention to issues surrounding the sampling plan within which such assignment is inevitably embedded.
Public concern for improving our education system has stimulated many new innovations in content, teaching style, and technology. Some work, and others do not. Many work when used by certain teachers in certain schools with certain children and otherwise fail. A central tenet of this chapter is the need for educational evaluations to attend to—and systematically measure— features of the contexts within which innovations are implemented. OVERVIEW OF THE PROPOSED APPROACH A new approach to evaluation and R&D is needed that allows innovative ideas to be understood and evaluated in a context-grounded way.
Since it makes most sense to do this by questionnaire, and since the golden rule of experimentation is that all groups should be treated identically except for treatment exposure, this suggests that questionnaires should be used across all the conditions as part of the assessment of implementation quality. OBJECTIONS TO RANDOM ASSIGNMENT IN EDUCATION Having sketched out a possible experimental study, it is time to confront the many objections that have been raised in the educational evaluation community to doing experiments.
Evaluating Educational Technology: Effective Research Designs for Improving Learning by Geneva D Haertel, Barbara Means, Linda G Roberts