態度測定の指数としてもつとも有効にし妥当なるものはなにか? : 賛成の尺度値Sと反対の尺度値S'との差の有意性の検定およびその心理的解釈
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概要
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Generally speaking, there are two aspects in the judgment of the scale value of attitude. The one is that in which the scale values are judged in terms of agreement with the statements of attitude, and the other is that in which they are judged in terms of opposition to the statements. L. L. Thurstone has pointed out the reliability of the experimental scale value S dependent on agreement with the statements of attitude, but the present writer has been thinking that the attitude measurement in terms of the experimental scale value S′ dependent on the opposition to the statements would be none the less effective, and that for that reason it may be of great necessity to find out a new formula which is able to measure the attitude in terms of the continuous variable which has both directions mentioned above. The attitude score L by R. Likert, though without any scientific and statistical foundations, has been relatively valid and reliable scoring on the basis of the attitude continuum with both directions of agreement and opposition. The present writer has experimentally examined the validity and reliability of such attitude indices as S, S′, L, S-S′ and S/S′, and found out that S-S′ is the most valid and reliable of them all. However, it must be admitted that S-S′ is not free from some defects as its calculation is very complex and the opinions selected in its scale are quite few. In order to correct these defects, the present writer thought it best to apply S, S′, and S-S′ to the attitude scale measured by Thurstone's method of apparently equal intervals. Based on the experimental results, the present writer has concluded that Sr-S′r is the most valid and effective of all these subjective rating scale values, Sr, S′r and Sr-S′r, measured by the method of apparently equal intervals. When examined statistically, S-S′ has a significant difference. Such significant differences, existing not only in the area of attitude measurement but also in the form of perceptional judgment, necessarily call for further psychological investigations and interpretations.
- 日本教育心理学会の論文
- 1955-07-15
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- 態度測定の指数としてもつとも有効にし妥当なるものはなにか? : 賛成の尺度値Sと反対の尺度値S'との差の有意性の検定およびその心理的解釈
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