; theories of affect predict the reverse. In field and lab experiments, we allow people to donate from lottery winnings, varying …

experiments in using standardized, validated paradigms from the lab in targeting relevant populations in naturalistic settings. We … begin by examining how the methodology has been used to test economic models with populations of theoretical interest. Next … covariates to test theoretical predictions and explore behavioral mechanisms. We proceed to discuss how the methodology can be …

second individual test after the conclusion of the experiment. …