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Although previous researchers have directed considerable attention toward the effect on opinion change of isolated variables such as communicator-credibility and communication-discrepancy, among others, little attempt has been made to incorporate these variables into a single experimental design in order to assess their separate as well as combined effects. The purpose of the present study is to vary experimentally the degree of communicator-credibility and communication-discrepancy, thereby investigating the main and interaction effects of these two variables on opinion change. TRUNCATED
Tong-He Choo (Thu,) studied this question.
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