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Master Thesis

Acceptabilité sociale et efficacité d'un nudge promouvant la vaccination antigrippale auprès de professionnels de santé

Abstract : Background: The nudge corresponds to any change in the architecture of the choice that allows it to be influenced, without using persuasion or financial incentives. Nudges seem to be effective in increasing vaccination behaviors. Thaler received the Nobel Prize for his work promoting nudges, but some authors consider it a form of manipulation. The main objective of our study was to evaluate the efficacy and acceptability of a nudge promoting influenza vaccination for general practice residents. The main hypothesis was that prior exposure to a nudge increases its social acceptability.
Methods: Participants were divided into three parallel experimental arms: a nudge group, a nudge-free group and a control group. The nudge consisted in providing a 100% care form allowing the delivery of the influenza vaccine on the front side and contacts from occupational health services on the back side in order to increase the cognitive availability of the vaccine. The study was conducted in two phases and consisted of distributing questionnaires to participants in all three groups.
Results: The analysis included 59 nudged residents, 36 non-nudged residents and 66 controls. The residents felt, with a strong consensus, that it was very acceptable to nudge their peers or patients. Acceptability was better in residents exposed to nudge. The nudge studied did not show efficacy in terms of vaccination coverage, probably due to the vaccination rate of our sample being much higher than those in the literature (ceiling effect).
Conclusion: We have shown that the social acceptability of a nudge can be artificially increased by prior exposure of the population to a nudge. This underlines the importance of an ethical analysis of nudges before their implementation. The experimental approach is innovative in this context and deserves to be renewed
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Master Thesis
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Laurie Benoit. Acceptabilité sociale et efficacité d'un nudge promouvant la vaccination antigrippale auprès de professionnels de santé. Médecine humaine et pathologie. 2019. ⟨dumas-02385264⟩

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