Selected Articles

Why Do We Hate Hypocrites? Evidence for a Theory of False Signaling (2017) Psychological Science
*[NYTimes Op-Ed]*

Cooperation, Fast and Slow: Meta-Analytic Evidence for a Theory of Social Heuristics and Self-Interested Deliberation (2016) Psychological Science
*[Video]*

Uncalculating Cooperation is Used to Signal Trustworthiness  (2016) PNAS

Social Heuristics and Social Roles: Intuition Favors Altruism for Women but Not for Men (2016) Journal of Experimental Psychology: General

Third-party punishment as a costly signal of trustworthiness (2016) Nature
*[NYTimes Op-Ed]*

Intuition, Deliberation, and the Evolution of Cooperation (2016) PNAS
*[Blog post]*

Habits of Virtue: Creating Norms of Cooperation and Defection in the Laboratory (2016) Management Science

Fast But Not Intuitive, Slow But Not Reflective: Decision Conflict Drives Reaction Times in Social Dilemmas (2015) Journal of Experimental Psychology: General

Inequality and visibility of wealth in experimental social networks (2015) Nature

Static Network Structure Can Stabilize Human Cooperation (2014) PNAS

Humans Display a 'Cooperative Phenotype' that is Domain General and Temporally Stable (2014) Nature Communications

Cooperating with the Future (2014) Nature

Social Heuristics Shape Intuitive Cooperation (2014) Nature Communications

The Emergence of “Us and Them” in 80 Lines of Code: Modeling Group Genesis in Homogeneous Populations (2014) Psychological Science

Human Cooperation (2013) Trends in Cognitive Science

Powering Up With Indirect Reciprocity in a Large-Scale Field Experiment (2013) PNAS

Evolution of Fairness in the One-Shot Anonymous Ultimatum Game (2013) PNAS

Slow to Anger and Fast to Forgive: Cooperation in an Uncertain World (2012) American Economic Review

Spontaneous Giving and Calculated Greed (2012) Nature

Divine Intuition: Cognitive Style Influences Belief in God (2012) Journal of Experimental Psychology: General

Direct Reciprocity in Structured Populations (2012) PNAS

Dynamic Social Networks Promote Cooperation in Experiments With Humans (2011) PNAS

Individual Versus Systemic Risk and the Regulator's Dilemma (2011) PNAS

The Evolution of Antisocial Punishment in Optional Public Goods Games (2011) Nature Communications

Positive Interactions Promote Public Cooperation (2009) Science

Dynamic Remodeling of In-Group Bias During the 2008 Presidential Election (2009) PNAS

Winners Don't Punish (2008) Nature