@misc{indiciae23a17910e5ac, title = {Direct Reciprocity Under Uncertainty Does Not Explain One-shot Cooperation, but Demonstrates the Benefits of a Norm Psychology}, author = {Matthew Zefferman}, year = {2014}, doi = {10.1101/004135}, url = {https://www.biorxiv.org/content/10.1101/004135v1}, note = {Source identifier: 10.1101/004135} }