| Sumario: | This article focuses on strategies to improve survey response rates among emergency physicians who did not respond to repeated email invitations. In a randomized study of 200 nonresponding emergency physicians, researchers compared mailed recruitment materials alone or combined with either an unconditional $2 bill, an unloaded VISA debit card (to be loaded upon survey completion), or both. Results showed that including the unconditional $2 bill increased response rates more than fourfold compared to the invitation alone and outperformed the strategy emphasizing a larger promised $200 incentive. The findings suggest that small, unconditional prepaid incentives may be more effective than larger promised rewards in engaging emergency physicians for survey participation after initial electronic recruitment efforts have failed.
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