Effects of Changing the Incentive Strategy on Panel Performance: Experimental Evidence From a Probability-Based Online Panel of Refugees

• Published in: Survey research methods Vol. 19; no. 2
• Main Authors: Jean Philippe Décieux, Sabine Zinn, Andreas Ette
• Format: Journal Article
• Language: English
• Published: European Survey Research Association 08.08.2025
• Subjects: Experiment; Incentive Strategies; Panel study; Refugee study

This study investigated how changing the mode of incentive administration between two panel waves, spaced six months apart, affected longitudinal survey response. A split-ballot incentive experiment was used to compare shifting from an unconditional pre-paid incentive mode in the first wave to a con...