By Geneva D Haertel, Barbara Means, Linda G Roberts
Positive factors chapters via modern day top experts who define examine designs, methodologies, and kinds of checks that may be used to extra successfully assessment academic applied sciences.
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Extra resources for Evaluating Educational Technology: Effective Research Designs for Improving Learning
When combined with observation, video analysis, and interviews—among other data-collection techniques—the design experiment is supposed to yield a complete and valid picture of how knowledge is constructed and used in social settings. The design experiment is experimental in the lay sense of undertaking an open-minded, problem-solving approach to identify possible solutions to a given problem. In manipulating things to see what brings about a desired end, the function of a design experiment is the same as the function of a formal experiment.
Brown (1992) described her own personal evolution in this regard. ” Like experimentalists who first left the laboratory 75 years ago, she wanted to investigate learning as it occurs in real-world situations. For Brown (1992), this meant classrooms with all their complexities and interdependencies: Central to the enterprise is that the classroom must function smoothly as a learning environment before we can study anything other than the myriad possible ways that things can go wrong. Classroom life is synergistic: Aspects of it that are often treated independently, such as teacher training, curriculum selection, testing, and so forth actually form part of a systemic whole.
Demographic characteristics of the student body are a major potential moderating influence. There are also differences in writing ability, relevant content knowledge, and teaching style, especially those associated with socioeconomic class differences. For instance, teachers with large proportions of low-income students tend to be more directive, and this carries over to teaching with technology. Thus, teachers in urban high schools are more inclined to tell students doing Internet research exactly which sources to go to and which facts to transcribe (Means, Penuel, & Padilla, 2001).
Evaluating Educational Technology: Effective Research Designs for Improving Learning by Geneva D Haertel, Barbara Means, Linda G Roberts