This paper challenges Hanushek and Woessmann's (2008) contention that the quality and not the quantity of schooling determines a nation's rate of economic growth. I first show that their statistical analysis is flawed. I then show that when a nation's average test scores and average schooling attainment are included in a national income model,…

A new report published by the Manhattan Institute for Education Policy, "The Effect of Special Education Vouchers on Public School Achievement: Evidence from Florida's McKay Scholarship Program," attempts to examine the complex issue of how competition introduced through school vouchers affects student outcomes in public schools. The…

Project TALENT, a large scale, long range, longitudinal study, is designed primarily to provide insights into the characteristics and development of American adolescents. In order to compare trends in test results, a comprehensive battery of Psychological, educational, and personality measures were administered to participants in the 1960, 1970,…

The criterion-oriented problem of test bias and fairness in selection is compared to the construct-oriented problem of comparability of test scores in cross-cultural research. These problems are shown to have important similarities, and their studies may supplement each other. In a formulation of psychometric criteria for the comparability of test…