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Introduction and Overview 2. The Empirical Study of Ideology: Comprehensiveness, Power & Heuristic Value 3. The Structural Developmental Approach: A Piagetian View of Epistemology & Psychology 4. Ideology and the Forms of Political Reasoning 5. Three Empirical Studies 6. Summary and Epilogue: Toward a Social Psychology of Politics.
Seligman et al. (Mon,) studied this question.