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  • Article Education Interdisciplinary Sciences Psychology

    Review matching task to diagnose basic review ability

    Koki Saito
    Shohei Hidaka

    Software development begins with writing a requirement definition document (RDD) specifying what software is to be built, and the RDD should define the necessary and sufficient conditions the software must satisfy. Preferably, the RDD is reviewed to guarantee its quality. However, the quality of reviews of such documents is not easy to evaluate, due to various review styles and the logical complexity of RDDs. Therefore, we regarded the review ability as the ability to match an RDD with a software and developed a game to make a matching task that can assess review quality. The task has four types of relationships, two-by-two classes of necessity (i.e., the RDD has no irrelevant sentences to define the given software) and sufficiency (i.e., the RDD covers all the parts of the software), between requirements and software, which are expressed in verbal and nonverbal forms. Results suggest that the game likely sufficiently simulated the process of making/reviewing RDD in the requirement definition process. Therefore, it is suggested that the matching task created through the game can be adequate to assess the review ability.

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  • Special Issue Psychology

    Transferability of Multiple Object Tracking Skill Training to Professional Baseball Players’ Hitting Performance

    Ryousuke Furukado
    Yoshiko Saito
    Toru Ichikawa
    Kei Morikawa
    Daiki Enokida
    Hirohisa Isogai

    This study aimed to determine the effects of multiple object tracking (MOT) skill training on elite baseball players. Baseball demands athletes to exhibit a high level of dynamic movement and quick and accurate situational judgment in multiple situations, including offense, defense, and base running. However, current research has not clarified whether the effects of MOT skills training are transferable to baseball performance. We investigated whether MOT skill training influenced baseball hitting performance before and after the intervention. Twelve players from a Japanese professional baseball team participated, and the intervention spanned approximately five months. The MOT skills of all players significantly improved (n=12). Additionally, we assessed the changes in hitting performance following MOT skill training. The results revealed a significant trend toward an improvement in the zone contact rate, zone swing strike rate, and outside swing strike rate in the breaking ball condition, such as the curveball and slider, indicating a large effect size (n=6). Further research across various competition levels is necessary to explore the transfer effects of MOT training on baseball-specific parameters.

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  • Article Psychology

    Decision making under virtual environment triggers more aggressive tactical solutions

    Daisuke Murakawa
    Shota Yamagata
    Yohei Takai
    Sachi Ikudome
    Hiroki Nakamoto

    Virtual reality is a promising technology that can be used to assess and train decision-making skills in sports. However, it is not necessarily clear what benefits this technology offers compared to previous technologies. The present study investigated the differences in option generation related to tactical decision-making when the same tactical scene was observed in 2D video and 3D VR. Soccer players (N = 27) were asked to observe tactical scenes and verbally report as many tactical options as possible under 2D video and 3D VR conditions. They were classified into high-, medium-, or low-decision capability groups based on the decision-making test. Irrespective of the capability, the 2D video and 3D VR had the same number of generated options. However, 3D VR generated more aggressive options that led to the goal, even though the exact same scene was observed between the conditions. This result may be because 3D VR can reproduce more realistic information exploration behavior than 2D video. Given that differences were observed regardless of skill level, the results suggest that VR technology has the potential for use as a more accurate decision evaluation method and effective training tool compared to previous methods for a wide variety of learners.

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  • Article Psychology

    Changing weight perception using augmented reality

    Ryo Watanabe
    Junki Inoue
    Kouki Yokoyama
    Takuma Umemori
    Tsuyoshi Ishikawa
    Takanobu Omata
    Takahiro Higuchi

    Augmented reality (AR) is a technology that renders computer-generated (CG) images onto the physical world in real time. To establish technology to alter weight perception using CG images in an AR environment, we investigated whether the size of virtual objects superimposed on a physical object would affect perceived heaviness. Participants (n = 22) wore a head-mounted display with a stereo camera and observed an object overlaid with a CG image. They lifted the object vertically and rated its subjective heaviness. We found that the virtually smaller object was perceived to be heavier than the virtually larger object among a large share of participants, indicating that a well-known phenomenon, the size-weight illusion (SWI), occurred. The SWI did not occur when the virtual size became larger or smaller after movement to reach the object was initiated. Our results suggest that presenting virtual objects in an AR environment effectively altered weight perception.

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  • Article Business & Management Economics Education Others Psychology

    The Effect of Auditory Stimulation on College Sports Team and University Identification of Media Spectators: Focusing on the Presence or Absence of Live Play-by-Play Announcements and Commentary

    Masaya Muneda
    Takahiro Kitamura
    Shinichi Kawamae
    Keisuke Matsuki

    This study aimed to determine how college sports team identifications and university identifications of college sports media viewers differ depending on the presence or absence of live play-by-play announcements and commentary. The participants in the experiment were 115 students from University A. A screening survey was conducted to confirm that these were essential attributes, resulting in 58 and 57 participants in the groups with commentary and without commentary, respectively. We conducted an Internet survey with these two groups of experimental participants before and after watching videos of the games. The results showed that only the group with commentary demonstrated improvements in the "public evaluation" of the college sports team and university identification (College sports team: F (1, 113) = 5.28, p < .05; University: F (1, 113) = 5.28, p < .05).

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  • Article Education Psychology

    Creating a scale for measuring non-cognitive abilities developed through sports for elementary school students

    Keita Kawazu
    Shunsuke Sakata
    Daisuke Miyamoto
    Yudai Ichikawa
    Hirohisa Isogai

    The purpose of this study was to create a scale to measure non-cognitive skills that can be developed through sport. To begin, a draft of a non-cognitive ability measurement scale was developed based on previous research. A preliminary survey of 346 elementary school students (318 males and 28 females, mean age 8.90 ± 1.76 years) was conducted, and a preliminary scale was created using exploratory factor analysis. A subsequent main survey was conducted with 1171 elementary school students (1025 males and 146 females, mean age 8.77 ± 1.73). In the present study, confirmatory factor analysis, reliability testing using cronbach's alpha, and structural validity of the entire scale were examined using structural analysis of covariance. Furthermore, theoretical interpretations were also taken into account, and finally, a non-cognitive ability measurement scale that can be developed through sports for elementary school students was created, consisting of 50 items with 5 factors: "self-management," "problem-solving," "cooperativeness," "leadership," and "greetings/polite".

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  • Report Education Others Psychology

    Development of Japanese women professional soccer athletes’ second career training

    Takahiro Sato
    Emma V. Richardson
    Hirokazu Matsuo
    Yota Kishimoto
    Sae Hashimoto
    Kozue Ando
    Chie Kataoka

    The purpose of this study was to describe, explain, and recommend how women’s professional soccer players and clubs could prepare for second career transitions in a way that minimizes psychosocial crises upon retirement. The Japan Women’s Empowerment Professional Football League (called the WE league) was founded with a mission to contribute towards building a sustainable society through promoting female social participation and enhancing diversity and choice. This study suggested training strategies that could foster second career development in the WE league. These strategies are (a) including theoretical frameworks in second career pathways, (b) the necessity of dual education pathways for Japanese women’s professional athletes, (c) promoting virtual internship experiences for Japanese women’s professional athletes, and (d) recommendations of second career training workshops for professional athletes in the WE League. The WE League and teams should allow professional athletes to improve meaningful skills and knowledge development, multiple experiential learning opportunities, and applicable training on second career development. Due to the paucity of research in this area, it is essential for scholars to further explore potential education and internships opportunities to ease transitions to second careers upon retirement.

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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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  • 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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