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Measuring Knowledge and Learning / James J. Heckman, Jin Zhou.
- Format:
- Book
- Author/Creator:
- Heckman, James J.
- Series:
- Working Paper Series (National Bureau of Economic Research) no. w29990.
- NBER working paper series no. w29990
- Language:
- English
- Physical Description:
- 1 online resource: illustrations (black and white);
- Place of Publication:
- Cambridge, Mass. National Bureau of Economic Research 2022.
- Summary:
- Empirical studies in the economics of education, the measurement of skill gaps, the impacts of interventions on skill formation, and the value-added literature rely on psychometrically validated test scores. Test scores are taken as measures of an invariant scale of human capital compared over time and people. We examine if conventional skill measures are comparable on mastery of specific task knowledge. An unusually rich dataset from an early childhood intervention is used to test the assumption of scale invariance. We reject the scale invariance hypothesis for multiple skills and cast doubt on the uncritical use of test scores in research.
- Notes:
- Print version record
- April 2022.
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