This article investigates how trait optimism influences voter behavior across multiple countries.

Data & Methods 📊: Survey data from the United States, Brazil, and Germany; experimental designs with diverse participants.

Key Findings ✅:

• Optimism significantly boosts support for centrist parties;
• Positive outlook correlates negatively with approval of government policies;
• Cross-national variations in these relationships highlight contextual factors.

Why It Matters 💡: The results suggest policymakers should consider personality traits when designing communication strategies.