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Preface. Introduction. 1. Essentialist Ideology. Its Origins and Its Scientific form, the theory of Natural Aptitudes. 2. The Ideology at Work in Everyday Speech. The Rationalization of School Choices. 3. Language and Class Identity. The Mark of Dominant Ideology. 4. From the Theory of Differences in Aptitudes to the Theory of Differences in Linguistic 'Codes'. 5. Shortcomings in the Theory of the 'Unequal Distribution of Linguistic Capital'. Conclusion.
Lawton et al. (Wed,) studied this question.