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Measuring Knowledge and Learning

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  • James J. Heckman
  • Jin Zhou

Abstract

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.

Suggested Citation

  • James J. Heckman & Jin Zhou, 2022. "Measuring Knowledge and Learning," NBER Working Papers 29990, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:29990
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    References listed on IDEAS

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    2. Joachim Freyberger, 2021. "Normalizations and misspecification in skill formation models," Papers 2104.00473, arXiv.org, revised Jul 2022.
    3. Heather C. Hill, 2009. "Evaluating value-added models: A validity argument approach," Journal of Policy Analysis and Management, John Wiley & Sons, Ltd., vol. 28(4), pages 700-709.
    4. Francesco Agostinelli & Morteza Saharkhiz & Matthew J. Wiswall, 2019. "Home and School in the Development of Children," NBER Working Papers 26037, National Bureau of Economic Research, Inc.
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    6. Marta Rubio-Codina & María Caridad Araujo & Orazio P. Attanasio & Sally Grantham-McGregor, 2016. "Concurrent Validity and Feasibility of Short Tests Currently Used to Measure Early Childhood Development in Large Scale Studies: Methodology and Results," IDB Publications (Working Papers) 95556, Inter-American Development Bank.
    7. Flavio Cunha & James J. Heckman, 2008. "Formulating, Identifying and Estimating the Technology of Cognitive and Noncognitive Skill Formation," Journal of Human Resources, University of Wisconsin Press, vol. 43(4).
    8. Flavio Cunha & James J. Heckman & Susanne M. Schennach, 2010. "Estimating the Technology of Cognitive and Noncognitive Skill Formation," Econometrica, Econometric Society, vol. 78(3), pages 883-931, May.
    9. Flavio Cunha & Eric Nielsen & Benjamin Williams, 2021. "The Econometrics of Early Childhood Human Capital and Investments," Annual Review of Economics, Annual Reviews, vol. 13(1), pages 487-513, August.
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    Cited by:

    1. French, Eric Baird & O’Dea, Cormac & MacCuish, Jamie, 2021. "The Intergenerational Elasticity of Earnings: Exploring the Mechanisms," CEPR Discussion Papers 15975, C.E.P.R. Discussion Papers.
    2. Orazio Attanasio & Áureo de Paula & Alessandro Toppeta, 2020. "Intergenerational Mobility in Socio-emotional Skills," NBER Working Papers 27823, National Bureau of Economic Research, Inc.

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    More about this item

    JEL classification:

    • C81 - Mathematical and Quantitative Methods - - Data Collection and Data Estimation Methodology; Computer Programs - - - Methodology for Collecting, Estimating, and Organizing Microeconomic Data; Data Access
    • I21 - Health, Education, and Welfare - - Education - - - Analysis of Education
    • J71 - Labor and Demographic Economics - - Labor Discrimination - - - Hiring and Firing

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