This research is focused on the question of deciding what to say in a (health) communication campaign. The goal is to search for ways of selecting/tailoring effective campaign messages which are persuasive for the targeted audiences. Accordingly, by considering Social Judgement Theory in the foundation of Integrated Behavior Model; two variables, belief strength and involvement are proposed with a method to predict the persuasiveness of campaign messages. When the people have strong beliefs and high involvements, a message that does not match with the most important behavioral determinant should be used in the campaign. However, when the people have weak beliefs, a message matching with the most important behavioral determinant should be used without considering the involvement level. These hypotheses are tested in the field of health communication on (cervical cancer) HPV vaccine acceptance and all accepted. CATI is used to collect data on surveys. The study sample, which is derived through a method close to probability sampling, is consisted of mothers who live in Istanbul/Turkey and have at least one 11-26-year-old daughter(N=145). Multiple linear regressions, decision trees (CHAID) and ANOVA are used for the analysis.

This research is focused on the question of deciding what to say in a (health) communication campaign. The goal is to search for ways of selecting/tailoring effective campaign messages which are persuasive for the targeted audiences. Accordingly, by considering Social Judgement Theory in the foundation of Integrated Behavior Model; two variables, belief strength and involvement are proposed with a method to predict the persuasiveness of campaign messages. When the people have strong beliefs and high involvements, a message that does not match with the most important behavioral determinant should be used in the campaign. However, when the people have weak beliefs, a message matching with the most important behavioral determinant should be used without considering the involvement level. These hypotheses are tested in the field of health communication on (cervical cancer) HPV vaccine acceptance and all accepted. CATI is used to collect data on surveys. The study sample, which is derived through a method close to probability sampling, is consisted of mothers who live in Istanbul/Turkey and have at least one 11-26-year-old daughter(N=145). Multiple linear regressions, decision trees (CHAID) and ANOVA are used for the analysis.

Abstract

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