An Effect of Image on the Quality of Cognition : A Strong Power of Generation of Cognitive Dissonance

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  • 認知の質に及ぼす映像の効果 : 強力な認知的不協和を喚起する力について
  • ニンチ ノ シツ ニ オヨボス エイゾウ ノ コウカ キョウリョク ナ ニンチテキ フキョウワ オ カンキ スル チカラ ニ ツイテ

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Abstract

The purpose of this paper is to prove a strong power of generation of cognitive dissonance as one of the effects of video-images on the quality of cognition in the learning process. Research was conducted on the scene of LASER cutting off a steel plate of one inch thick. The degree of generation of cognitive dissonance was tested by getting data of learners' responces to the questionnaires after treatments which were two different types that one was Vgp making the students view the video-scene and the other was NVgp given only verbal explanation without seeing video-scene. The results of comparison with the two data proved a stronger genertion of cognitive dissonance in the Vgp than in the NVgp significantly.

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