1. Experimentation in political science James N. Druckman, Donald P. Green, James H. Kuklinski and Arthur Lupia; Part I. Designing Experiments: 2. Experiments: an introduction to core concepts James N. Druckman, Donald P. Green, James H. Kuklinski and Arthur Lupia; 3. Internal and external validity Rose McDermott; 4. Students as experimental participants: a defense of the 'narrow data base' James N. Druckman and Cindy D. Kam; 5. Economics vs. psychology experiments: stylization, incentives, and deception Eric S. Dickson; Part II. The Development of Experiments in Political Science: 6. Laboratory experiments in political science Shanto Iyengar; 7. Experiments and game theory's value to political science John H. Aldrich and Arthur Lupia; 8. The logic and design of the survey experiment: an autobiography of a methodological innovation Paul M. Sniderman; 9. Field experiments in political science Alan S. Gerber; Part III. Decision Making: 10. Attitude change experiments in political science Allyson L. Holbrook; 11. Conscious and unconscious information processing with implications for experimental political science Milton Lodge, Charles Taber and Brad Verhulst; 12. Political knowledge Cheryl Boudreau and Arthur Lupia; Part IV. Vote Choice, Candidate Evaluations, and Turnout: 13. Candidate impressions and evaluations Kathleen M. McGraw; 14. Media and politics Thomas E. Nelson, Sarah M. Bryner and Dustin M. Carnahan; 15. Candidate advertisements Shana Kushner Gadarian and Richard R. Lau; 16. Voter mobilization Melissa R. Michelson and David W. Nickerson; Part V. Interpersonal Relations: 17. Trust and social exchange Rick K. Wilson and Catherine C. Eckel; 18. An experimental approach to citizen deliberation Christopher F. Karpowitz and Tali Mendelberg; 19. Social networks and political context David W. Nickerson; Part VI. Identity, Ethnicity, and Politics: 20. Candidate gender and experimental political science Kathleen Dolan and Kira Sanbonmatsu; 21. Racial identity and experimental methodology Darren Davis; 22. The determinants and political consequences of prejudice Vincent L. Hutchings and Spencer Piston; 23. Politics from the perspective of minority populations Dennis Chong and Jane Junn; Part VII. Institutions and Behavior: 24. Experimental contributions to collective-action theory Eric Coleman and Elinor Ostrom; 25. Legislative voting and cycling Gary Miller; 26. Electoral systems and strategic voting (laboratory election experiments) Rebecca B. Morton and Kenneth C. Williams; 27. Experimental research on democracy and development Ana L. De La O and Leonard Wantchekon; Part VIII. Elite Bargaining: 28. Coalition experiments Daniel Diermeier; 29. Negotiation and mediation Daniel Druckman; 30. The experiment and foreign policy decision making Margaret G. Hermann and Binnur Ozkececi-Taner; Part IX. Advanced Experimental Methods: 31. Treatment effects Brian J. Gaines and James H. Kuklinski; 32. Making effects manifest in randomized experiments Jake Bowers; 33. Design and analysis of experiments in multilevel populations Betsy Sinclair; 34. Analyzing the downstream effects of randomized experiments Rachel Milstein Sondheimer; 35. Mediation analysis is harder than it looks John G. Bullock and Shang E. Ha; Afterword: 36. Campbell's ghost Donald R. Kinder.