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Full Description
Jensen provides a comprehensive treatment of one of the major constructs of behavioral science—general mental ability—labeled the g factor by its discoverer, Charles Spearman. The g factor is about individual differences in mental abilities. In factor analyses of any and every large and diverse collection of measures of mental abilities, however varied the content of knowledge and skills they call upon, g emerges as the largest, most general source of differences between individuals and between certain subpopulations.
Jensen fully and clearly explains the psychometric, statistical, genetic, and physiological basis of g, as well as the major theoretical challenges to the concept. For decades a key construct in differential psychology, the g factor's significance for scholars and researchers in the brain sciences as well as education, sociology, anthropology, evolutionary psychology, economics, and public policy is clearly evident in this, the most comprehensive treatment of g ever published.
Contents
Preface
A Little History
The Discovery of g
The Trouble with "Intelligence"
Models and Characteristics of g
Challenges to g
Biological Correlates to g
The Heritability of g
Information Processing and g
The Practical Validity of g
Construct, Vehicles, and Measurements
Population Differences in g
Population Differences in g: Hypothesized Causes
Sex Differences in g
The g Nexus
Appendix A: Spearman's "Law of Diminishing Returns"
Appendix B: Method of Correlated Vectors
Appendix C: Multivariate Analyses of a Nexus
References
Index
