We find a “matching effect” in policy evaluations. For behaviors seen as positive but voluntary (such as organ donation) people prefer policies that are framed as advantaging those who act positively rather than disadvantaging those who fail to do so. Conversely, for behaviors seen as...

Decision-makers often must decide whether to invest in prospects to reduce risk or instead save scarce resources. Existing models of risky decision making assume that decision-makers consider the absolute improvement in probabilistic chances (e.g., increasing a 10% chance of winning $10 to a 20%...

The theory of mental accounting is often used to understand how people evaluate multiple outcomes or events. However, a model predicting which outcomes are associated with the same mental account and evaluated jointly, versus different accounts and evaluated separately, has remained elusive. We...

In 5 experiments we show that choices between bundles of consumption goods exhibit a preference for ‘order’ that cannot be explained on the basis of utility for consumption itself. The first 3 experiments show that this order-preference is strong and produces robust violations of normative...

COVID-19 data is often presented using graphs with either a linear or logarithmic scale. Given the importance of this information, understanding how choice of scale changes interpretations is critical. To test this, we presented laypeople with the same data plotted using differing scales. We...