An annotated history of empirical studies on human cooperation in social dilemmas. Social Dilemmas are situations that involve a conflict of interests and people must choose between a behavior that is best for themselves and a behavior that is best for the collective. Cooperation is choosing to do a behavior that is best for the collective. CoDa contains six decades of studies on individual decision making in dyads and groups facing social dilemmas
CoDa creates opportunity for discovery
Search for Studies
You can search and find studies that measured or manipulated variables, studied specific samples, used certain methods, and much more…
Analyze the Literature
Select studies and implement on-demand meta-analyses, build moderator models that predict effect sizes, conduct statistical power analyses, and more…
Plot the history of cooperation research on tables and graphs that allow you to instantly identify trends in the literature.
Benefits of CoDa
Speed and Efficiency
Replicate and Reproduce
Estimate Publication Bias
Living reviews from CoDa
Whatʼs in the databank?
CoDa can underlie living documents that update with new data, and which allow readers to interact with the data. This review does exactly this, and allows you to learn about the information in CoDa, such as the variables that can be used to predict cooperation.
How did cooperation research change over time?
Did researchers use different paradigms across the history of experimental research on cooperation? Did the samples reported in studies differ over time according to age and gender? The answers to these questions are povided in this review.