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Volume 15 (1973)
- Issue 4 Pages 155-
- Issue 3 Pages 101-
- Issue 2 Pages 51-
- Issue 1 Pages 1-
Volume 15, Issue 3
Displaying 1-6 of 6 articles from this issue
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KIMIHIKO MATSUDA1973 Volume 15 Issue 3 Pages 101-108
Published: September 10, 1973
Released on J-STAGE: February 24, 2009
JOURNAL FREE ACCESSIn S. I. model (Structure of Intelligence), Guilford (1971) referred the concept of divergent production as one of the most important factors concerning creative thinking. On the other hand, Murakami (1972) has been developing Random Number Generation Test in order to measure the ability of human information processing and he introduced the concept of probablistic information processing for this purpose. In this study, the author intended to demonstrate the following 2 points; (a) there was a significant correlation between these two concepts-divergent production suggested by Guilford and probablistic information processing suggested by Murakami, (b) Random Number Generation Test was one of the desirable tests concerning DS factor (divergent production of symbolic material). These 2 points were approximately clarified.View full abstractDownload PDF (550K) -
SHIRO IMAI, AKITOSHI OKUMURA1973 Volume 15 Issue 3 Pages 109-119
Published: September 10, 1973
Released on J-STAGE: February 24, 2009
JOURNAL FREE ACCESSThe purpose of the present experiment was to show that shifts in risk taking could be produced not only by group discussion but also by group game playing, and the degree of such shift would depend on the player's role taking. Secondly, we were interested in confirming the authors' hypothesis thatSs would prefer the win-earlier strategy other things being equal. We used a 2-person zerosum game to be played between a single player and a group player, the latter consisting of three members whose decision was made through discussion or solely by the group leader appointed by E. Results:(1) Risky shift was produced by game playing, and the degree of the shifts was dependent on the role structure in the case of the group player.(2) The majority of players preferred the win-earlier strategy-to be termed earliness effect.View full abstractDownload PDF (888K) -
TAKASHI OGAWA, JUNKO KUSANO1973 Volume 15 Issue 3 Pages 120-126
Published: September 10, 1973
Released on J-STAGE: February 24, 2009
JOURNAL FREE ACCESSThe relations between estimation and subjective intensities of time, velocity and distance were examined by an analysis based on matrix theory in absolute motion perception observed in pursuit. The free ratio method was used. The results suggested that the relations are isomorphic with the corresponding relations in physics. The trends of derived subjective intensity values of time, velocity, and distance were described by a single function against the changes of physical values respectively, regardless of the differences in stimuli estimated, and, moreover, in the case of velocity and distance, regardless of the differences in the experimental conditions of Mashhour's (1964) and this study.View full abstractDownload PDF (373K) -
GAVRIEL SALVENDY, DAVID R. HARRIS1973 Volume 15 Issue 3 Pages 127-135
Published: September 10, 1973
Released on J-STAGE: February 24, 2009
JOURNAL FREE ACCESSAn optimum feedback strategy is established for the acquisition and retention of psychomotor skills. A hierarchy of the effectiveness of 18 different feedbacks is established by utilizing 180 male college students divided randomly into 18 groups. The task consists of depressing a bar with a stylus (with a force of 1.3 to 1.7 lb.). The results indicate that: (1) Gradual reduction in feedback is superior to an abrupt halt to feedback for the retention of skill. (2) Negative reinforcement is superior to positive one in both the acquisition and retention of skills. (3) Continuous precise feedback is the best for task which depends on feedback but the worst for the retention of skills which do not depend on feedback.View full abstractDownload PDF (2751K) -
TAROW INDOW, AKIRA MURASE1973 Volume 15 Issue 3 Pages 136-146
Published: September 10, 1973
Released on J-STAGE: February 24, 2009
JOURNAL FREE ACCESSLists of s nouns (s up to 36) of one or two categories were memorized to the first perfect recitation (M) or visually presented (V), and Ss had to judge whether a given target was in the list or not. NO response was of two kinds; NO to a word of the same category with the list and NO to a word of an entirely different category (N′). Mean reaction time as a function of s exhibits the patterns which are in accordance with the following scanning modes; serial exhaustive in M, serial self-terminating in V, and almost no scanning for N′. The scanning in M was of extremely high speed; the highest was about 350 items per sec. When scanning two category lists, the Ss were not able to completely disregard words of the irrelevant category in M as well as in V.View full abstractDownload PDF (745K) -
AKIRA NUSHI, SUKEYORI SHIBA1973 Volume 15 Issue 3 Pages 147-152
Published: September 10, 1973
Released on J-STAGE: February 24, 2009
JOURNAL FREE ACCESSThe confidence intervals on the multiple correlation coefficient were computed by using directly Fisher's formula (1928) for several sets of variables including both cases of even and odd numbers for each of the valuesN(sample size)=15, 20, 30, 40, 50, 75, 100 and 200. These figures can be used not only to estimate the 90 percent confidence interval but to test hypothesis H0: ρ=ρ0, where ρ0 is not necessarily zero.View full abstractDownload PDF (434K)
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