This collection of essays about intelligence stems from the revived nature-nurture controversy about the origins of mental abilities, led notably by Arthur Jensen, whose article in 1969 created a furore in the U.S.A., and more lately by H. J. Eysenck in Britain. In planning this book, an attempt has been made to step back from the debate itself…

Contents of this compilation of testimony include: (1) statements by L. L. Cavalli-Sforza, professor of genetics, Stanford University; Richard A. Goldsby; Irving I. Gottesman, professor of psychology, University of Minnesota; Arthur R. Jensen; and Jane R. Mercer, associate professor of sociology, University of California, Riverside; (2) such…

We need to find out the extent to which individual differences, social class differences and race differences in rates of cognitive development, and differential patterns of relative strength and weakness are attributable to genetically conditioned biological growth factors. The answers to this question might imply differences in our approach to…

In the most narrow sense, compensatory education has failed; most Title I programs which seek to improve achievement have no discernible effect. This is apparently a result of the fact that the programs seek to provide for disadvantaged students more of the school resources which have never been found to affect the achievement of advantaged…

In these hearings, the following witnesses presented testimony: Dr. Henry E. Garrett, Chairman, Psychology Department (Emeritus), Columbia University; Dr. Arthur R. Jensen, Professor of Educational Psychology, University of California at Berkeley; Dr. Frank C. J. McGurk, Professor of Psychology, University of Montevallo; Dr. R. Travis Osborne,…