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Four Empirically Based Reasons Not to Administer Time-Limited Tests.
Morton Ann Gernsbacher1, Raechel N Soicher2, Kathryn A Becker-Blease2
1Department of Psychology, University of Wisconsin-Madison.
Translational Issues in Psychological Science
|June 26, 2020
Summary
Untimed power tests offer more accurate educational assessments than time-limited tests. They enhance validity, reliability, inclusivity, and equity for all students, especially those with disabilities or diverse learning needs.
Area of Science:
- Educational Measurement
- Psychometrics
Background:
- Measurement experts differentiate between time-limited and untimed power tests.
- Untimed power tests allow for accurate assessment of knowledge without confounding speed.
- Student response speed does not impact the validity of untimed power tests.
Purpose of the Study:
- To present four empirically based reasons for administering untimed power tests over time-limited tests in educational settings.
- To advocate for the adoption of untimed power tests in higher education assessment.
Main Methods:
- Empirical analysis of test validity, reliability, inclusivity, and equity.
- Review of existing literature and expert distinctions in educational measurement.
- Case examples illustrating the impact of time constraints on diverse student populations.
Main Results:
- Time-limited tests demonstrate lower validity as pace does not reflect mastery.
- Reliability estimates for time-limited tests are artificially inflated.
- Time-limited tests are less inclusive, excluding students with disabilities requiring accommodations.
- Time-limited tests are less equitable, hindering English learners and underrepresented groups.
Conclusions:
- Untimed power tests provide a more accurate, reliable, inclusive, and equitable assessment method.
- Recommendations are offered to transition away from time-limited testing in higher education.
- Shifting to untimed assessments supports diverse learners and promotes fair evaluation.
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