Three sessions of an Educational Statistics course were taught in an instrumented feedback environment which allowed students to register up to twelve responses (e.g. "Repeat", "Please Summarize") at their initiative, or in response to instructor's queries. Comparison between instrumented and non-instrumented settings indicated no significant difference in overall response rate. However, it was observed that keysets did serve as another mode of responding, particularly for responses which need not be accompanied by oral responses, and for students who had difficulty with the course. Some software and hardware refinements are suggested to study the effects of student responses on systematically shaping instructor's behavior.
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