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The Decision Sciences Journal of Innovative Education
Using Statistical Control Charts to Analyze Data from Student Evaluations of Teaching
Neil B. Marks
Richard
T. O’Connell
Miami
University
Department
of Decision Sciences and MIS
311
Upham Hall
Oxford,
OH 45056
513-529-4829
513-529-4832
In this paper, a method for analyzing data from
student evaluations of teaching is presented.
The first step of the process requires development of a
regression model for the instructor’s summary rating, as a function of
the student’s expected grade. Then,
two-sigma control charts for individual evaluation scores (section
averages) and residuals from the regression model are used to identify
both excellent and poor outcomes. The
performance of an individual whose scores are out of control on both
charts cannot be explained by expected grade and is therefore worthy of
note.
