Criterion | Inclusion | Exclusion |
Population and sample | General population, to reflect all vaccination target groups and all stakeholders involved in the vaccination decision (eg, parents, healthcare workers and adolescents). | |
Literature focus |
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Time period | January 2008†–May 2021 | |
Language | English |
*Nudging interventions as defined by the MINDSPACE framework41 and complementary literature,42 43 which group interventions according to whether they change messenger, incentives, norms, defaults, salience, priming, affect, commitments or ego.
†Nudging theory emerged in 2008.25