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If (My) 6 Was (Your) 9: Reporting Heterogeneity in Student Evaluations of Teaching

Author

Listed:
  • Bertoni, Marco

    (University of Padova)

  • Rettore, Enrico

    (University of Padova)

  • Rocco, Lorenzo

    (University of Padova)

Abstract

Student Evaluations of Teaching (SET) are subjective measures of student satisfaction that are often used to assess teaching quality. In this paper, we show that heterogeneity in students' reporting styles challenges SET validity. Using administrative data that allow us to track all evaluations produced by each student, we are able to isolate student-specific reporting scales. We show that reporting heterogeneity explains at least one third of the within-course variation in SET.We also document that students sort across elective courses according to their reporting style. As a result, the average evaluation of two otherwise identical electives can differ only because of heterogeneity in the reporting style of students attending them. Using a simulation exercise, we show that this type of sorting coupled with large sampling variability severely alter the ranking of courses within a major, calling into question the use of SET to incentivise teachers.

Suggested Citation

  • Bertoni, Marco & Rettore, Enrico & Rocco, Lorenzo, 2020. "If (My) 6 Was (Your) 9: Reporting Heterogeneity in Student Evaluations of Teaching," IZA Discussion Papers 13565, Institute of Labor Economics (IZA).
    • Handle: RePEc:iza:izadps:dp13565
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    1. Bonaccolto-Töpfer, Marina & Castagnetti, Carolina, 2021. "The COVID-19 pandemic: A threat to higher education?," Discussion Papers 117, Friedrich-Alexander University Erlangen-Nuremberg, Chair of Labour and Regional Economics.

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    More about this item

    Keywords

    reporting heterogeneity; student evaluations of teaching; selection;
    All these keywords.

    JEL classification:

    • I23 - Health, Education, and Welfare - - Education - - - Higher Education; Research Institutions
    • I28 - Health, Education, and Welfare - - Education - - - Government Policy
    • D63 - Microeconomics - - Welfare Economics - - - Equity, Justice, Inequality, and Other Normative Criteria and Measurement

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