Data and code

I try to keep this list updated in real time, but if you would like the data for a paper that is not currently listed here, please email me and I will add it ASAP!

Credibility-enhancing displays promote the provision of non-normative public goods

Gordon Kraft-Todd, Bryan Bollinger, Kenneth Gillingham, Stefan Lamp, and David G. Rand (2018). Nature. doi:

Fighting misinformation on social media using crowdsourced judgments of news source quality

Gordon Pennycook and David G. Rand (2018). Social Science Research Network.

The Implied Truth Effect: Attaching Warnings to a Subset of Fake News Stories Increases Perceived Accuracy of Stories Without Warnings

Gordon Pennycook and David G. Rand (2017). Social Science Research Network.

Who falls for fake news? The roles of bullshit receptivity, overclaiming, familiarity, and analytic thinking

Gordon Pennycook and David G. Rand (2017). Social Science Research Network.

Prior Exposure Increases Perceived Accuracy of Fake News

Gordon Pennycook, Tyrone D. Cannon, and David G. Rand (2018). Journal of Experimental Psychology: General. doi:

Cognitive Reflection and the 2016 US Presidential Election

Gordon Pennycook and David G. Rand (2018). Personality and Social Psychology Bulletin. 1-16. doi:

Lazy, not biased: Susceptibility to partisan fake news is better explained by lack of reasoning than by motivated reasoning

Gordon Pennycook and David G. Rand (2018). Cognition. doi: 10.1016/j.cognition.2018.06.011.

“I'm just a soul whose intentions are good”: The role of communication in noisy repeated games

Antonio A. Arechar, Anna Dreber, Drew Fudenberg, and David G. Rand (2017). Games and Economic Behavior. 104 726-743.

Co-Evolution of Cooperation and Cognition: The Impact of Imperfect Deliberation and Context-Sensitive Intuition
Adam Bear, Ari Kagan, and David Rand (2017). Proceedings of the Royal Society B. 284 20162326; doi: 10.1098/rspb.2016.2326.

Reflections on the Time-Pressure Cooperation Registered Replication Report 
David G. Rand (2017). Perspectives on Psychological Science. doi: 10.1177/1745691617693625.

From Good Institutions to Generous Citizens: Top-Down Incentives to Cooperate Promote Subsequent Prosociality But Not Norm Enforcement
Michael N. Stagnaro, Antonio A. Arechar, and David Rand (2017). Cognition. doi:

The relationship between intertemporal choice and following the path of least resistance across choices, preferences, and beliefs
Amitai Shenhav, David G. Rand, and Joshua D. Greene (2017). Judgment and Decision Making, Vol. 12, No. 1, January 2017, pp. 1–18.

Why do we hate hypocrites? Evidence for a theory of false signaling
Jordan, J.J., Sommers, R., Bloom, P., & Rand, D.G. (in press). Psychological Science. [Experimental materials]

No unique effect of intergroup competition on cooperation: Non-competitive thresholds are as effective as competitions between groups for increasing human cooperative behavior
Matthew R. Jordan, Jillian J. Jordan, and David G. Rand (2016). Evolution & Human Behavior. doi: 10.1016/j.evolhumbehav.2016.07.005. 

Social Environment Shapes the Speed of Cooperation
Akihiro Nishi, Nicholas A. Christakis, Anthony M. Evans, A. James O'Malley, and David G. Rand (2016). Scientific Reports. 6, 29622.

Cooperation, fast and slow: Meta-analytic evidence for a theory of social heuristics and self-interested deliberation
David G. Rand (2016). Psychological Science. DOI:10.1177/0956797616654455.

Uncalculating Cooperation is Used to Signal Trustworthiness
Jillian J. Jordan, Moshe Hoffman, Martin A. Nowak, and David G. Rand (2016). PNAS. doi: 10.1073/pnas.1601280113.

Social Heuristics and Social Roles: Intuition Favors Altruism for Women But Not for Men  
David G. Rand, Victoria Brescoll, Jim A.C Everett, Valerio Capraro, and Helene Barcelo (2016). Journal of Experimental Psychology: General. doi:

Third-party punishment as a costly signal of trustworthiness 
Jillian J. Jordan, Moshe Hoffman, Paul Bloom, and David G. Rand (2016). Nature, 530, 473-476.

Intuition, Deliberation, and the Evolution of Cooperation
Adam Bear, and David G. Rand (2016). Proceedings of the National Academy of Sciences. doi: 10.1073/pnas.1517780113.

Fast But Not Intuitive, Slow But Not Reflective: Decision Conflict Drives Reaction Times in Social Dilemmas
Anthony M. Evans, Kyle D. Dillon and David G. Rand (2015). Journal of Experimental Psychology: General. 144 (5) 951–966.

Inequality and visibility of wealth in experimental social networks  
Akihiro Nishi, Hirokazu Shirado, David G. Rand, and Nicholas A. Christakis (2015). Nature. 526, 426–429.

Opposing Oxytocin Effects on Intergroup Cooperative Behavior in Intuitive and Reflective Minds
Yina Ma, Yi Liu, David Rand, Todd F Heatherton, and Shihui Han (2015) Neuropsychopharmacology. 1-9. 17.

It's the Thought That Counts: The Role of Intentions in Noisy Repeated Games 
David Rand, Drew Fudenberg, Anna Dreber (2015). Journal of Economic Behavior & Organization. 116. 481-499.

Social Context and the Dynamics of Cooperative Choice 
David G. Rand, George E. Newman, and Owen Wurzbacher (2015) Journal of Behavioral Decision Making, 28: 159-166.

The Collective Benefits of Feeling Good and Letting Go: Positive Emotion and (dis)Inhibition Interact to Predict Cooperative Behavior 
David G. Rand, Gordon T. Kraft-Todd, and June Gruber (2015) PLoS ONE 10(1): e0117426.

Static Network Structure Can Stabilize Human Cooperation 
David G. Rand, Martin A. Nowak, James H. Fowler, and Nicholas A. Christakis (2014) Proceedings of the National Academy of Sciences.

Heuristics Guide the Implementation of Social Preferences in One-Shot Prisoner’s Dilemma Experiments 
Valerio Capraro, Jillian J. Jordan, and David G. Rand (2014) Scientific Reports 4, 6790.

Risking Your Life Without a Second Thought: Intuitive Decision-Making and Extreme Altruism
David G. Rand and Ziv G. Epstein (2014) PLoS ONE. 9: e109687

Time Pressure Increases Cooperation in Competitively Framed Social Dilemmas 
Jeremy Cone and David G. Rand (2014) PLoS ONE 9(12): e115756.

Humans Display a 'Cooperative Phenotype' That Is Domain General and Temporally Stable
Alex Peysakhovich, Martin A. Nowak, and David G. Rand. (2014) Nature Communications 5:4939.

Reflection does not undermine self-interested prosociality
David G. Rand and Gordon Kraft-Todd (2014) Frontiers in Behavioral Neuroscience 8:300.

Social Heuristics Shape Intuitive Cooperation
David G. Rand, Alexander Peysakhovich, Gordon T. Kraft-Todd, George E. Newman, Owen Wurzbacher, Martin A. Nowak, Joshua D. Greene (2014). Nature Communications 5: 3677

Cooperating with the future
Oliver Hauser, David G. Rand, Alexander Peysakhovich, Martin A. Nowak (2014). Nature 511, 220–223.

The emergence of “Us and Them” in 80 lines of code: Modeling group genesis in homogeneous populations
Kurt Gray, David G. Rand, Eyal Ert, Steve Hershman, and Michael I. Norton (2014). Psychological Science, 25, 982-990.

What Does “Clean” Really Mean? The Implicit Framing of Decontextualized Experiments
Christoph Engel and David G. Rand (2014). Economics Letters, 122 386-389. 

Evolution of Fairness in the One-Shot Anonymous Ultimatum Game
David G. Rand, Corina E. Tarnita, Hisashi Ohtsuki, Martin A. Nowak (2013).  Proceedings of the National Academy of Sciences 110, 2581–2586. 

Do People Care About Social Context? Framing Effects in Dictator Games
Anna Dreber, Tore Ellingsen, Magnus Johannesson, David G. Rand (2012). Experimental Economics. doi:10.1007/s10683-012-9341-9.

Slow to Anger and Fast to Forgive: Cooperation in an Uncertain World
Drew Fudenberg, David G. Rand, Anna Dreber (2012). American Economic Review 102, 720–749.

Spontaneous Giving and Calculated Greed
David G. Rand, Joshua D. Greene, and Martin A. Nowak (2012). Nature 489, 427–430.
>> Reply to Brief Communications Arising (Gustav Tinghog et al.)

Economic Games on the Internet: The Effect of $1 Stakes
Ofra Amir, David Rand, Ya'akov Kobi Gal (2012). PLOS ONE  7, e31461

Divine Intuition: Cognitive Style Influences Belief in God
Amitai Shenhav, David G. Rand, Joshua D. Greene (2012). Journal of Experiment Psychology: General 141, 423-428.

Dynamic Social Networks Promote Cooperation in Experiments With Humans
David G. Rand, Samuel Arbesman, and Nicholas A. Christakis (2011). Proceedings of the National Academy of Sciences 108, 19193–19198

Currency Value Moderates Equity Preference Among Young Children
Peter R. Blake and David G. Rand (2010). Evolution and Human Behavior 31, 210–218.

Positive Interactions Promote Public Cooperation
David G. Rand, Anna Dreber, Tore Ellingsen, Drew Fudenberg, Martin A. Nowak (2009). Science, 325, 1272–1275.

Dynamic Remodeling of In-Group Bias During the 2008 Presidential Election
David G. Rand, Thomas Pfeiffer, Anna Dreber, Rachel W. Sheketoff, Nils C. Wernerfelt, and Yochai Benkler (2009). Proceedings of the National Academy of Sciences 106, 6187–6191.

Decision-Making in Research Tasks With Sequential Testing
Thomas Pfeiffer, David G. Rand, Anna Dreber (2009). PLOS ONE 4, e4607.

Winners Don't Punish
Anna Dreber, David G. Rand, Drew Fudenberg, and Martin A. Nowak (2008). Nature 452, 348–351.