Humanities and Social Sciences

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Humanities and Social Sciences

  • Article Education Others

    Proposal of Rubric for Information Security Education Materials

    Daisuke Saito
    Shumon Masuda
    Hironori Washizaki
    Yoshiaki Fukazawa
    Toshiharu Nishizawa

    This study proposes a generic rubric that can be used as an assessment axis for information security educational materials regarding existing computer science education evaluation standards to assess the learning effectiveness of information security educational materials aimed at young people. The proposed rubric includes items such as “understanding of cyber security” and “understanding why passwords are necessary,” and five-level learning objectives are defined for these items. Furthermore, the proposed rubric was used to assess the existing information security educational material “Hajimete no Joho Security (Learning First Information Security in a Different World)” using Minecraft. The proposed rubric was mapped to the learning contents of the teaching material as an assessment method, and the learning effectiveness of the teaching material was measured using Minecraft with the cooperation of a community center project in Sayama City in Japan. Therefore, we were able to evaluate the learning effects using the proposed rubric.

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  • Technical Article Business & Management Economics

    Examination of experienced university student athletes of Olympic athletes in Japan

    Futa Yahiro
    Goichi Hagiwara

    This study aimed to clarify how many university student athletes were among the athletes who represented Japan at the London Olympics (2012), Rio de Janeiro Olympics (2016) and Tokyo Olympics (2021); their result; and the faculties they belonged to in their universities. Athletes registered at the above mentioned competitions who were current university students or who belonged to a university in the past (including dropouts) were included in the survey. The result of this study shows that academic clustering is becoming increasingly customary.

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  • Article Business & Management

    Organizational Ambidexterity and Firm Performance: Effect of Two Types of Exploitation on Japanese Video Game Industry

    Taiki Ito

    Recent organizational ambidexterity studies have discussed the importance of achieving a balance between Exploration and Exploitation. However, existing studies have not distinguished the detail of exploitation; this study categorizes exploitation as ‘Repetitive Exploitation’ and ‘Incremental Exploitation.’ Our study contributes to ambidexterity studies by analyzing the impact of a combination of both these types of exploitation and exploration on a firm’s performance. We used 647 observations from Japanese video game industries between 1997 and 2019 for panel data analysis. In line with existing studies, we proved that firm performance increases when a balance between exploration and exploitation is achieved. At the same time, we found that firms with a lower exploration performed better when the rate of incremental exploitation was high. The results of our study suggest that even when the firm's ambidexterity is imbalanced, different results can be expected when both types of exploitation are considered. The Study has implications for organizations to improve their performance.

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  • Article Psychology

    The effects of interactive fitness video games on stress and cognitive function

    Hisashi Mitsuishi
    Togo Ogi

    Exercise that stimulates perceptual and cognitive aspects and simultaneously enhances neuromuscular coordination has both cognitive and psychological effects. We examined the effects of an interactive fitness video game in 18 healthy participants (8 males and 10 females). The participants performed under 1) TETRIS, 2) Radio Gymnastics, or 3) FITRIS (interactive fitness video game) conditions on different days. In this experiment, first there was a 4-minute rest period during which the mean heart rate was measured, followed by a cognitive task. The heart rate was measured to confirm the intensity of the exercise. Then either the TETRIS, Radio Gymnastics, or FITRIS condition was initiated, while the mean heart rate was measured again. Then there was another cognitive task, followed by another 4 minute rest and mean heart rate measurement period. Saliva samples were collected after each period where the heart rate was measured. All of the participants completed evaluations of cognitive tasks (executive functions; inhibitory control and working memory) before and after each condition. The results showed that salivary cortisol decreased in all conditions, and both the FITRIS and Radio gymnastics conditions had a positive effect on executive function (inhibitory control and cognitive flexibility). In particular, it was shown that FITRIS had an increased effect on cognitive flexibility.

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  • Article Education Others

    The relationship among skills/factors and their structure and wins/losses in games in basketball classes

    Ken Nagamine
    Osamu Aoyagi
    Akihito Yaita
    Ikuo Komure
    Tsuyoshi Kawazura
    Shinya Tagata
    Tomohiro Annoura
    Yasufumi Ohyama

    This study aimed to extract the structure of plays/fouls of basketball games in university PE classes using MDS and to investigate the relationship between wins/losses and their structure using logistic regression analysis in the games. Targeted games were 20 games performed in university PE classes at F-university and the plays/factors observed were assessed by a 5-point scale. The items observed were 52 items chosen from “Passing,” “Dribbling,” “Shooting,” “Rebounding,” “Fast break,” “Cooperative plays,” “Violations,” and “Fouls.” After the principal component analysis was applied to the whole data, the items that did not show significant loadings were removed from the analysis, and a correlation matrix among only the items that had significant principle loadings was computed. Another principal component analysis was performed and the principal component scores for each skill/factor were computed. Nonmetric MDS was applied to the correlation matrix, a two-dimensional space was extracted, and the rotation of axes by Varimax criterion and clustering by hierarchical cluster analysis were applied to the two-dimensional space. Finally, logistic regression analysis to predict wins/losses was carried out using skills/factors including gender and evaluators to remove their influence as independent variables. As a result, the following results were obtained: 1) The two-dimensional space obtained was interpreted as “Individual skills and skills leading to fouls/violations” and “Individual – group skills.” Again, the four clusters obtained were also named “Ball-advancing individual skills,” “Under-basket individual skills,” “Cooperative skills,” and “Against-rule and unskilled plays.” 2) Although the likelihood ratio test of logistic regression analysis with all independent variables was not significant, the test of the model after the independent-variable selection was significant, in which “Shooting,” “Cooperative plays,” “Fouls,” and “Gender” were included. In the univariate analysis using correlation ratios, “Dribbling,” “Shooting,” and “Cooperative plays” were significant, but “Fouls” were not. It is thought that “Dribbling” lost its significant relationship with wins/losses when removing the influence of “Cooperative plays,” and insignificant “Fouls” in the univariate analysis showed an important impact on wins/losses because the fouls provided the change of offense and the risk of a losing score increased.

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  • Secondary Publication Architecture Business & Management Economics Engineering in General Information Sciences Interdisciplinary Sciences

    Nature versus Artifacts Body: One-Leaf Hyperboloid Type, Pair-Map Microcosm and Nested Economics

    Masayuki Matsui

    Toward digital-era, there is more increasing the portion of artifacts on the earth, and is attainable to the global environment of nature versus artifacts bodies. At the paper, we first suppose One-leaf Hyperboloid and the typical cases:Social (or enterprise) and Physical bodies as the base of nature vs. artifacts bodies. Second, the traditional pair-map is here developed, is semi-finalized at a generalization including Nash’s zone, and its 3D-like body is visually embodied as the two illustrations. Third, for a fractal(nested) mother of pair-map and its Nash’s zone, the shared equilibrium problem of 3D-type is discussed on the Trickle-down effort vs. Modern money theory (up) at Mt. Fuji type in the economic society. Finally, it is remarked that the latter might be better than the former at income distribution.

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  • Technical Article Business & Management Economics Education Psychology

    A fundamental examination of the attentional function in the rhythm game

    Saori Kihara
    Goichi Hagiwara

    This study aimed to clarify the effect of the rhythm game "Osu!" on attentional function and its factors. Participants wore an electroencephalograph and played "Osu!” for 10 minutes (four games), and the Trail Making Test was performed before and after the games. As a result of the analysis focused on the frequency of the games, only the "high frequency group" showed an effect on attentional function. From the results, it can be inferred that rhythm games can improve attentional function and can function as a training tool for game users. The results also suggest that rhythm games can be used as a health-promoting tool owing to their ability to improve attentional function.

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  • Article Education Psychology

    The relationship of Mobile Phone Addiction and Irrational Procrastination in College Students: Mediating Effect of Perceived Stress

    Mengyao Shi
    Jiali Qian
    Shiyuan Li
    Xiangyu Zhai
    Yuqing Shi
    Xiang Fan

    This study aimed to examine the mediating role of perceived stress in the relationship between mobile phone addiction and irrational procrastination. Recent studies have shown that mobile phone addiction can cause or aggravate irrational procrastination. 6220 Chinese college students completed the questionnaires about their information of demographic, mobile phone addiction, perceived stress and irrational procrastination (response rate of 91.6%). Statistical analyses were performed using SPSS 25.0 and PROCESS 3.5. The mediation model was tested using Model 4 in Hayes' Process and the percentile Bootstrap algorithm with deviation correction, repeat sampling 5000 times and calculate the 95% confidence interval. The results show that mobile phone addiction of college students has a significant positive predictive effect on irrational procrastination after controlling for age, tobacco and alcohol use. In addition, mediation analysis indicated significant mediation of perceived stress in the relationship between mobile phone addiction and irrational procrastination in both male and female students.

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  • Article Psychology

    Examining the effects of digital gameplay of the racing genre on mood and heart rate

    Ryousuke Furukado
    Goichi Hagiwara

    This study aimed to determine racing esport games’ effects on the physiological and psychological indices using psychological scales and heart rate monitors. The participants were 10 male university students who did not play games diurnally (mean age ± 20.10, SD = 1.10). Participants wore a wristwatch heart rate monitor, and their resting heart rate was measured for 2 min. The duration of the game play was set to 30 min, and their heart rates were continuously measured during play. The changes in the psychological state before and after the game play were then examined using a two-dimensional mood scale-short term. The results showed that the average heart rate significantly increased during gameplay compared to the resting state. As for participants’ psychological state before and after the gameplay, the vitality, pleasure, and arousal levels increased while the stability level decreased. These results indicate that gameplay in the racing genre can induce a lively mood and increase the heart rate.

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  • Article Business & Management Economics Education Others Psychology

    Impact on evaluation of Viewpoints to assess the positioning on half-court defense in the basketball

    Tsuyoshi Kawazura
    Akihito Yaita
    Ken Nagamine
    Shinya Tagata
    Goichi Hagiwara

    While there are some desirable and some not-so-desirable half-court positions in basketball, the "desirable positioning" may not always be clearly determined due to the values of the coach or manager. The most important factor in this is the "point of view". Therefore, the purpose of this study is to examine the perspectives that influence the evaluation of positioning in half-court defense for university teams be-longing to the first and second divisions of the Basketball Federation. A total of 192 players (110 male players and 82 female players) from university teams in the first and second divisions of the K-Student Basketball Federation were included in the study. As a result, the perspectives of the reasons for the decisions obtained in the descriptive form have been classified into the following categories: "Weak-side defensive position," "Strong-side defensive position," "Ball man defensive position," "General defensive position," "Defensive position related to play selection," "Defensive position related to coordination," and "Defensive position related to situational judgment. "The defensive positions were classified into seven categories: defensive positions related to situational viewpoints.

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