The Effectiveness of Supportive and Refutational Defenses in Immunizing and Restoring Beliefs Against Persuasion

  title={The Effectiveness of Supportive and Refutational Defenses in Immunizing and Restoring Beliefs Against Persuasion},
  author={William J. Mcguire},
Previous studies (2, 5) have shown that merely giving a person arguments supporting his belief, without even a mention of possible counterarguments against the belief, has little efficiency in making that belief resistant to persuasion. The present study is designed to show that supportive defenses, when employed in specified ways, can contribute appreciably to belief maintenance. The hypotheses of both the previous and the present studies derive from the "selective exposure" postulate—that… 

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