Jensen is a controversial figure, largely for his conclusions based on his and other research regarding the causes of race based differences in intelligence and in this book he develops more fully the argument he formulated in his controversial Harvard Education Review article ‘How Much Can We Boost IQ and Scholastic Achievement?’. In a wide-ranging survey of the evidence he argues that measured IQ reveals a strong hereditary component and he argues that the system of education which assumes an almost wholly environmentalist view of the causes of group differences capitalizes on a relatively narrow category of human abilities.
Since its original publication the controversy surrounding Jensen’s ideas has continued as successive generations of psychologists, scientists and policy-makers have grappled with the same issues.
1 Subpopulation differences in educability. 2 Current technical misconceptions and obfuscations. 3 Intelligence and educability. 4 the heritability of scholastic achievement Appendix A 5 Between-groups heritability 6 Social class differences in intelligence 7 Race differences in intelligence 8 Multiple and partial correlation methods 9 Intelligence of racial hybrids 10 Environmental rationalization versus environmental research 11 Equating for socioeconomic variables 12 Accentuated environmental inequalities 13 Inequality of schooling 14 Teacher expectancy 15 Motivational factors 16 Language deprivation 17 Culture biased-tests 18 Sensori-motor differences 19 Physical environment and mental development 20 Recapitulation Appendix on heritability. References. Indices.
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