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Evidence and control of biases in student evaluations of teaching

Shu‐Hui Liaw (Faculty of Economics & Administration, University of Malaya, Kuala Lumpur, Malaysia)
Kim‐Leng Goh (Faculty of Economics & Administration, University of Malaya, Kuala Lumpur, Malaysia)

International Journal of Educational Management

ISSN: 0951-354X

Article publication date: 1 February 2003

Abstract

This paper shows that class size has inappropriately influenced students’ judgements on evaluations of lecturers in the Faculty of Economics and Administration, University of Malaya. A bias exists whereby courses with small enrolment receive good overall teaching ratings, whereas larger classes have produced poor evaluations. On the other hand, teaching ratings are not affected by instructor characteristics (instructional experience, rank and gender) or other course characteristics (type and level of subject, and time and day course is taught). To improve the construct validity of student ratings as a measure of teaching performance, this paper suggests using results from a regression model to estimate the bias factor associated with class size, and adjusting the overall teaching ratings based on this estimate in order to control for the bias.

Keywords

Citation

Liaw, S. and Goh, K. (2003), "Evidence and control of biases in student evaluations of teaching", International Journal of Educational Management, Vol. 17 No. 1, pp. 37-43. https://doi.org/10.1108/09513540310456383

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MCB UP Ltd

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