Supplementary Material for Pleasant & Barclay antisocial punishment: instructions, questionnaires, supplementary analysis

This Supplementary Online Material for Aleta Pleasant and Pat Barclay's article in Psychological Science "Why hate the good guy? Antisocial punishment of high cooperators is higher when people compete to be chosen". This file includes instructions to participants, comprehension questions, post-experimental questionnaires, and a supplementary analysis that categorizes punishers into people who did not punish, did moralistic punishment only, did antisocial punishment only, or did both moralistic and antisocial punishment.