心理学研究
Online ISSN : 1884-1082
Print ISSN : 0021-5236
ISSN-L : 0021-5236
記憶痕跡に関する社会心理学的研究
態度の記憶とその変容について
北野 栄正
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ジャーナル フリー

1970 年 40 巻 6 号 p. 310-318

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An attempt was made to investigate the organization of social remembering and the transformation of memory traces through social attitudes.
Ten subjects are observed: five were radical and five were conservative.
Ten statements are used for the remembering materials, including five radical and five conservative statements concering capitalists and workers.
The experiment was run individually. The subject was asked to underline those statements with which he agreed, and next day twenty-five minutes were allowed to memorize the ten statements. The recollection of the materials was tested twenty minutes, one, two, four and eight days later.
The results are as follows:
(1) The differences in the recollection ratio between the two groups are small and the radical group shows a higher ratio of recollection of the radical statements, and the conservative group, of the conservative ones; that is, the statements suited to the social attitude of the subjects are recalled in a higher ratio and those unsuited are more apt to be forgotten. This may be explained in terms of the organization of the Ego-system in the process of social remembering.
(2) This reasoning may be further confirmed by the following observation: the recollection ratio of the statements the subjects support are very high, and increase gradually with the passage of time. This fact may be attributed to the organization of the Ego-system in social remembering.
(3) When the transformation of memory traces is viewed from the points of simplification, rationalization, substitution and omission of the words, substitution is found most frequently in both groups for the statements endorsed by the subjects, followed by omission, simplification and rationalization in this order.
On the other hand, the transformation by the simplification of words is most often for the statements not endorsed, followed by rationalization, omission and substitution.

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