Development and Validation of the Outcome Expectancy Scale for COVID-19 Vaccination in the Adult General Population

Promotion of COVID-19 vaccination requires understanding its determinants, an important one of which is outcome expectancy.However, reliable and valid measurement tools are absent.This study thus developed and validated an Outcome Expectancy Scale for COVID-19 Vaccination (OES-COVID-19).An inductive approach was used for scale development; content

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