A Non-experimental Research Method
As part of his response to Mayer’s criticism, Winn articulates that a good non-experimental method for researchers to use is the “design experiment” which was described by Ann Brown in 1992. Winn prefers this type of experiment particularly because it conveys many features of open ended research methods. In a design experiment, the researcher tests his or her intervention in an educational setting such as a classroom, makes modifications depending on the data collected, and conducts the intervention until it produces good results. The data collected is in form of observations, results from tests, or any form of work that will show that the student has learned what is expected. Compared to a controlled experiment in which many variables are controlled, in the design experiment, modifications are made over time. Winn explained that a key difference between the two types of experiments is that “the controlled experiment adapts the setting to suit the intervention through experimental control, whereas the design experiment adapts the intervention to suit the setting through iteration”. Although Winn is in favor of design experiments he does note one of its weaknesses. This type of non-experimental research involves more time and skill than implementing experimental research. However, it can yield crucial evidence about the success of interventions and how students learn.
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