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Haas, Georg-Christoph; Volkert, Marieke; Senghaas, Monika – Field Methods, 2023
Even small monetary incentives, e.g., a one-dollar bill in a postal invitation letter, can increase the response rate in a web survey. However, in the euro currency area, the smallest amount of monetary incentive for a postal invitation is a five-euro bill, which is costly. As such, we conducted a random experiment with prepaid stamp and postcard…
Descriptors: Online Surveys, Incentives, Response Rates (Questionnaires), Costs