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Sample Selectivity and the Validity of International Student Achievement Tests in Economic Research

Author/s: 
Eric A. Hanushek, Ludger Woessmann
Published Date: 
February 2011
Publication: 
Economics Letters
Details: 
110(2)
Pages: 
pp. 79-82

Larger rates of exclusion, non-response, and age-specific enrollment are related to better country average scores on international student achievement tests. But accounting for sample selectivity does not alter existing evidence that academic achievement enters importantly in economic growth regressions.