1. Introduction
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COVID-19 INFECTION
Vaccination remains one of the most important and effective ways to protect population from COVID-19 infection, severe conditions, and death (In the literature, there have been a large number of conjoint analysis, a method to elicit respondent's preference and perceived relative importance of different features or attributes of a product or service, identifying the vaccine characteristics influencing vaccine acceptance (Therefore, this study aims to fill in the gaps by testing the influence of three strategies on vaccine acceptance, namely: gain/loss-framing of information (communication—psychological enablement); pre-vaccination physician consultation (communication—education/persuasion), and cash incentives (financial incentivization). First, information framing serves as a way to form or change people's attitudes through peripheral cues (i.e., messages that are framed differently) rather than carefully analyzing the information or arguments presented to them (