Japanese Psychological Research
Online ISSN : 1468-5884
Print ISSN : 0021-5368
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Volume 11, Issue 1
Displaying 1-5 of 5 articles from this issue
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  • THE AMOUNT OF TRANSMITTED INFORMATION IN CONFUSION MATRIX
    TAROW INDOW, SAKIKO SONO
    1969 Volume 11 Issue 1 Pages 1-12
    Published: 1969
    Released on J-STAGE: February 24, 2009
    DOIhttps://doi.org/10.4992/psycholres1954.11.1
    JOURNAL FREE ACCESS
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    The amount of transmitted information Ht is frequently used as an index for confusability in a confusion matrix. However, the value of Ht is not only determined by the degree of being less confused but also is a function of the size of confusion matrix. Larger, the number of rows and/or columns, larger the value of Ht, which makes difficult to make comparisons in terms of Ht of confusability among confusion matrices of different size. Two examples are shown from empirical investigations to make the problem clear. Some mathematical analysis was made about the change in value of Ht when a confusion matrix is reduced or extended in size. The possible range for the change was shown and it was suggested to take into account the range when Ht is used as an index. Relation between the change of Ht and the interaction information in cases of confusion matrix according to factorial design was also discussed.
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  • COMMUNICATOR DISCREPANCY, PERCEIVED CREDIBILITY, AND OPINION CHANGE
    MIRZA S. SAIYADAIN
    1969 Volume 11 Issue 1 Pages 13-16
    Published: 1969
    Released on J-STAGE: February 24, 2009
    DOIhttps://doi.org/10.4992/psycholres1954.11.13
    JOURNAL FREE ACCESS
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    How credible and at what level of discrepancy a source should be in order to be sufficiently influential is examined in this study.
    PROCEDURE: Perceived credibility and communicator discrepancy were manipulated. 100 Ss, who were found having different perception of the source, made judgements about their degree of agreement with the communicator at different levels of discrepancy. RESULTS:(1) Trend analysis showed curvilinear relationship between discrepancy and influence for MBA sample only.(2) Significant differences in the overall influence effect between the two samples were found, which was explained in terms of their perception of the source.(3) Prediction that the means between the two samples will show significant differences at some levels of discrepancy was not supported.
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  • EQUILIBRATION AND EXTERNAL REINFORCEMENT IN THE ACQUISITION OF NUMBER CONSERVATION
    GIYOO HATANO, YASUKO SUGA
    1969 Volume 11 Issue 1 Pages 17-31
    Published: 1969
    Released on J-STAGE: February 24, 2009
    DOIhttps://doi.org/10.4992/psycholres1954.11.17
    JOURNAL FREE ACCESS
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    96 4-6 year-old children received number conservation training in 2 sessions over 2 successive days. The relative efficiency of 5 programs was investigated; there were 2 programs consisted of “practice in conflict situations without external reinforcement”, a similar program with reinforcement, direct training of number conservation, and mixed procedure with reinforcement. The 3 reinforced programs produced stable conservation response in about 3/5 of children, and 2/3 of them showed generalization of conservation principle. The 2 programs without reinforcement had almost no effect on average children, but provoked conservation response in a half of superior children who had responded correctly to conflict situations before training. The secondary training on nonconservers showed similar results, i. e., ineffectiveness of practice without reinforcement.
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  • EFFECTS OF EXTERNAL ELECTROLYTE CONCENTRATION ON BOTH SKIN POTENTIAL-LEVEL AND REFLEX: SUCCESSFUL OBSERVATION
    KOICHI SHIMIZU, TETUO TAJIMI, TAKAMI WATANABE, YOSIZUMI NIIMI
    1969 Volume 11 Issue 1 Pages 32-36
    Published: 1969
    Released on J-STAGE: February 24, 2009
    DOIhttps://doi.org/10.4992/psycholres1954.11.32
    JOURNAL FREE ACCESS
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  • TWO MEASURES OF E. E. G. VARIABILITY
    J. ALAN BURDICK
    1969 Volume 11 Issue 1 Pages 36-40
    Published: 1969
    Released on J-STAGE: February 24, 2009
    DOIhttps://doi.org/10.4992/psycholres1954.11.36
    JOURNAL FREE ACCESS
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