Comparing Incentives for Influenza Vaccine
The purpose of this field study to compare the effects of a direct incentive, indirect incentive, and no incentive for routine annual influenza vaccination. The direct incentive offers a $5 gift card for vaccination. The indirect incentive offers a $5 gift card for answering a few simple questions after vaccination. In the control condition, no incentive for vaccination is offered. The hypothesis is that, even though both the direct and indirect incentive conditions deliver the gift card contingent on vaccination, the indirect incentive condition will be more effective because it does not directly link a self-care behavior with a monetary payment.