Martha Cottam is assistant professor of American foreign policy at the University of Denver's Graduate School of International Studies.

• Introduction 1. The Decision Making Literature in International Relations: A Review of the Literature and New Direction 2. Psychological and Political Categories: The Political World View 3. Political World View Categories: Some Empirical Evidence 4. Political Judgments: Using Political Categories 5. Images of Mexico: Historical and Perceptual Background 6. The Effects of Psychological Categories on Political Decision Making: The Case of US-Mexican Natural Gas Negotiations 7. Conclusions

Martha Cottam is assistant professor of American foreign policy at the University of Denver's Graduate School of International Studies.

• Introduction 1. The Decision Making Literature in International Relations: A Review of the Literature and New Direction 2. Psychological and Political Categories: The Political World View 3. Political World View Categories: Some Empirical Evidence 4. Political Judgments: Using Political Categories 5. Images of Mexico: Historical and Perceptual Background 6. The Effects of Psychological Categories on Political Decision Making: The Case of US-Mexican Natural Gas Negotiations 7. Conclusions

Martha Cottam is assistant professor of American foreign policy at the University of Denver's Graduate School of International Studies.

• Introduction 1. The Decision Making Literature in International Relations: A Review of the Literature and New Direction 2. Psychological and Political Categories: The Political World View 3. Political World View Categories: Some Empirical Evidence 4. Political Judgments: Using Political Categories 5. Images of Mexico: Historical and Perceptual Background 6. The Effects of Psychological Categories on Political Decision Making: The Case of US-Mexican Natural Gas Negotiations 7. Conclusions