Offering a perspective on the social and economic problems of contemporary America, this study examines the relationship between ethnicity and intelligence.

Donated by the family of Lieutenant Colonel Loyal (Red) Mumford Pease (February 19, 1917 to April 15, 2011) who served as an officer in the 25th Company Bomb Disposal Squad in the United States Army during WWII.

1. Cognitive Class and Education, 1900-1990 -- 2. Cognitive Partitioning by Occupation -- 3. The Economic Pressure to Partition -- 4. Steeper Ladders, Narrower Gates -- 5. Poverty -- 6. Schooling -- 7. Unemployment, Idleness, and Inquiry -- 8. Family Matters -- 9. Welfare Dependency -- 10. Parenting -- 11. Crime -- 12. Civility and Citizenship -- 13. Ethnic Differences in Cognitive Ability -- 14. Ethnic Inequalities in Relation to IQ -- 15. The Demography of Intelligence -- 16. Social Behavior and the Prevalence of Low Cognitive Ability -- 17. Raising Cognitive Ability -- 18. The Leveling of American Education -- 19. Affirmative Action in Higher Education -- 20. Affirmative Action in the Workplace -- 21. The Way We Are Headed -- 22. A Place for Everyone -- App. 1 Statistics for People Who Are Sure They Can't Learn Statistics -- App. 2 Technical Issues Regarding the National Longitudinal Survey of Youth -- App. 3 Technical Issues Regarding the Armed Forces Qualification Test as a Measure of IQ -- App. 4 Regression Analyses from Part II -- App. 5 Supplemental Material for Chapter 13 -- App. 6 Regression Analyses from Chapter 14 -- App. 7 The Evolution of Affirmative Action in the Workplace.