Cognitive Dissonance

Cognitive Dissonance - The theory of cognitive dissonance...

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The theory of cognitive dissonance was also explored in a Harvard research article titled, “Do Amnesics Exhibit Cognitive Dissonance Reduction? The Role of Explicit Memory and Attention in Attitude Change” This study was conducted by four professors who wanted to investigate the roles of explicit memory and attentional resources in the process of behavior-induced attitude change. These professors proposed that behavior-induced attitude change can be a relatively automatic process that does not require explicit memory for the difference between attitude and behavior. Through their research, they determined that both the amnesics and normal participants under cognitive load showed as much attitude change as did the control participants. The first part of this study had 12 anemisic patients and 12 age-matched adults undergo four phases. The first phase showed the 24 participants two sets of 15 art prints and had them rank each set from most liked to least liked. The second phase of this experiment had six groups of 2 pairs of prints. Out of the two prints, participants had to indicate the pair they would want in their home, among the six groups was the combinations of the 4 th and 10 th ranked pair and the 6 th and 12 th ranked pair that participants had previously ranked. In the third phase, they were required to re-rank the two sets of prints from phase one to reflect their current liking of them. In phase four they were then asked to identify the 4 prints that represented the 2 critical pairs used in phase two, and then they had to identify the 4 prints as chosen in phase two. The primary measures were a) the average change in ranks of the selected and rejected pairs between phase one and three and b) in phase four, how accurately participants could identify the prints they had chosen in phase two. The results concerning attitude change determined that there was a greater difference between the
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mean ranks of selected and rejected pairs in phase three then in phase one. Amnesic
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This note was uploaded on 01/10/2011 for the course COMS 311 taught by Professor Jackson during the Winter '09 term at Cal Poly.

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Cognitive Dissonance - The theory of cognitive dissonance...

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