Thurstone, Louis L. (1887–1955)

Jonathan A. Plucker & Amber Esping

Louis L. Thurstone, who spent most of his career at the University of Chicago before founding a major psychometric lab at the University of North Carolina, made significant contributions to psychometrics, statistics, and the study of human intelligence during his long career. Thurstone developed methods for scaling psychological measures, assessing attitudes, and test theory, among many other influential contributions. In statistics, he is best known for the development of new factor analytic techniques to determine the number and nature of latent constructs within a set of observed variables. These new statistical techniques allowed Thurstone to make his most enduring contribution to psychology: the theory of primary mental abilities , a model of human intelligence that challenged ...

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