Sociality & Social Networks Lab

HIRASHIMA, Taro（平島 太郎）

Associate professor at the Department of Psychology, Aichi Shukutoku University

Research Interests

How do humans adapt themselves to complex and uncertain social environments?  I am interested in the psychological foundations of social networks (social/non-social cognitive and motivational foundation of human social networks) and their consequences at an individual level (e.g., health) and societal level (e.g., diversity).

Keywords

• social networks, personal networks, social network size

• minimal social interaction, power of strong-/weak-ties

• sociality, social cognition, mentalizing

• attitude ambivalence, uncertainty, approach-avoidance, etc...

Contact

• E-mail

• ＠tr_hrsm

• Google Scholar

• Researchmap

• Address: Katahira 2-9, Nagakute city, Aichi, 480-1146, JAPAN

• TEL: +81 561-62-4111

Employment

• 2020-present   Associate Professor, Department of Psychology, Aichi Shukutoku University

• 2017-2020   Lecturer, Department of Psychology, Aichi Shukutoku University

• 2015-2017   Research Assistant,  Graduate School of Education and Human Development, Nagoya University

Education

• Nagoya University, 2012-2015

  • Ph.D course in Psychology, Graduate School of Education and Human Development, Nagoya University.

  • SV: Associate professor Tasuku IGARASHI

• Nagoya University, 2010-2012

  • M.A. in Psychology, Graduate School of Education and Human Development, Nagoya University.

  • "The effects of attitudinal ambivalence on information processing" (in Japanese)

  • SV: Professor Toshikazu YOSHIDA

• Nagoya University, 2006-2010

  • B.A. in Pedagogy, Nagoya University.

  • "The effects of active/passive optimism on psychological adjustment" (in Japanese)

  • SV: Professor Toshikazu YOSHIDA

Works

Articles

• Hirashima, T., & Igarashi, T. (2022). Is mentalizing essential to predict human network size? Reexamining the Social Brain Hypothesis from a social network perspective. Letters on Evolutionary Behavioral Science, 13(2), 50–56. https://doi.org/10.5178/lebs.2022.99  (peer-reviewed)

• Igarashi, T., & Hirashima, T. (2021). Generalized trust and social selection process. Frontiers in Communication, 6,  88. https://doi.org/10.3389/fcomm.2021.667082  (peer-reviewed)

• Abe, S., Oshio, A., Kawamoto, T., Ito, H., Hirashima, T., Tsubota, Y., & Tani, I. (2019). Smokers are extraverted in Japan: Smoking habit and the Big Five personality traits. SAGE Open, July-September 2019: 1–6. doi:10.1177/2158244019859956 (peer-reviewed)

• Hirashima, T. (2017). Does the ability to read emotion from faces expand social networks? A preliminary analysis on the relationships between social network size and social intelligence among Japanese undergraduates. The Tokai Journal of Psychology, 11, 29-39. (peer-reviewed)(in Japanese)

• Kawamoto, T., Oshio, A., Abe, S., Tsubota, Y., Hirashima, T., Ito, H., & Tani, I. (in press). Age and gender differences of Big Five personality traits in a cross-sectional Japanese sample. The Japanese Journal of Developmental Psychology. (peer-reviewed)(in Japanese)

• Hirashima, T., & Igarashi, T. (2014). Social network composition and attitudinal ambivalence: Focused on structural ambivalence. Bulletin of the Graduate School of Education and Human Development, Nagoya University (Psychology and Human Developmental Sciences), 61, 105-114. (in Japanese)

• Hirashima, T., Tsuchiya, K., Motoyoshi, T., & Yoshida, T. (2014). The effects of attitudinal ambivalence on formation of behavioral intentions. The Japanese Journal of Experimental Social Psychology, 54, 1-10.  doi: http://dx.doi.org/10.2130/jjesp.1215 [PDF]. (peer-reviewed)(in Japanese)

• Hirashima, T., Tsuchiya, K., Motoyoshi, T., Yoshida, T., & Igarashi, T. (2013). The effects of attitudinal ambivalence on information seeking. The Bulletin of the Graduate School of Education and Human Development, Nagoya University (Psychology and Human Development Sciences), 60, 27-37. (in Japanese)

• Hirashima, T., Ito, H., Iwanaga, R., Hagiwara, T., Tani, I., Yukihiro, R., Onishi, M., Uchiyama, T., Ogasahara, K., Kuroda, M., Inada, N., Hara, K., Inoue, M., Murakami, T., Someki, F., Nakamura, K., Sugiyama, T., Uchida, H., Ichikawa, H., & Tsujii, M. (2014)  Construct validity of the Japanese Version of the Adolescent/Adult Sensory Profile in the assessment of individuals with autism spectrum disorder. The Japanese Journal of Psychiatry, 56, 123-132.(peer-reviewed)(in Japanese)

• Tani, I., Ito, H., Yukihiro, R., Hirashima, T., Yasunaga, K., Uchiyama, T., Ogasahara, K., Kuroda, M., Inada, N., Hagiwara, T., Iwanaga, R., Inoue, M., Murakami, T., Someki, F., Nakamura, K., Sugiyama, T., Uchida, H., Ichikawa, H., & Tsujii, M. (2013).  Development of the Japanese Version of the Vineland Adaptive Behavior Scales, Second Edition: Accuracy Evaluation of the Adaptive Behavior Scales. The Japanese Journal of Psychiatry, 56, 123-132.(peer-reviewed)(in Japanese)

• Hirashima, T., Ito, H., Iwanaga, R., Hagiwara, T., Tani, I., Yukihiro, R., Matsumoto, K., Uchiyama, T., Ogasahara, K., Kuroda, M., Inada, N., Hara, K., Inoue, M., Murakami, T., Someki, F., Nakamura, K., Sugiyama, T., Uchida, H., Ichikawa, H., & Tsujii, M. (2013). Standardization of the Japanese version of the Infant/Toddler Sensory Profile: Reliability and cut-off scores based on a community sample. The Japanese Journal of Psychiatry, 56, 123-132.(peer-reviewed)(in Japanese)

• Yukihiro, R., Ito, H., Tani, I., Hirashima, T., Yasunaga, K., Uchiyama, T., Ogasahara, K., Kuroda, M., Inada, N., Hagiwara, T., Hara, K., Iwanaga, R., Inoue, M., Murakami, T., Someki, F., Nakamura, K., Sugiyama, T., Uchida, H., Ichikawa, H., Tanaka, K., & Tsujii, M. (2013). Developing Japanese version of the Vinelande Adaptive Behavior Scale II: Measurement accuracy of Adaptive Scale. The Japanese Journal of Psychiatry, 55,  627-635. (peer-reviewed)(in Japanese)

• Ito, H., Hirashima, T., Hagiwara, T., Iwanaga, R., Tani, I., Yukihiro, R., Uchiyama, T., Ogasahara, K., Kuroda, M., Inada, N., Hara, K., Inoue, M., Murakami, T., Someki, F., Nakamura, K., Sugiyama, T., Uchida, H., Ichikawa, H., & Tsujii, M. (2013). (peer-reviewed)(in Japanese)

• Umeda, A., Ito, H., Iwanaga, R., Hagiwara, T., Hirashima, T., Tani, I., Yukihiro, R., Onishi, M., Uchiyama, T., Ogasahara, K., Kuroda, M., Inada, N., Hara, K., Inoue, M., Murakami, T., Someki, F., Nakamura, K., Sugiyama, T., Uchida, H., Ichikawa, H., & Tsujii, M. (in press). Standardization of the Japanese Version of the Adolescent/Adult Sensory Profile: Reliability and cut-off scores. The Japanese Journal of Clinical Psychiatry, 42, 789-796. (peer-reviewed)(in Japanese)

• Yoshitake, K., Hirashima, T., Kubota, Y., Matsumoto, M., & Morita, M. (2013). Teaching high school students clinical psychology and psychological means of coping with disasters, Bulletin of the Center for Higher Education Research, 13, 3-14. (in Japanese)

• Motoyoshi, T., Hirashima, T., & Yoshida, Y. (2013). The experts' mental models of clinical trials: Comparing the models of doctor and clinical research coordinator,  (peer-reviewed)(in Japanese)

Books

• Hirashima, T. (2013). Schema, Working memory, Top-down/Bottom-up processing, Metacognition. In Hayamizu T. (Ed). Psychology of Education and Learning. Nagoya University Press:Nagoya. (in Japanese)

Presentations (in English)

• Igarashi, T., & Hirashima, T. (2016, Nov. 17). Does emotional intelligence work beyond dyads? From a multiple community perspective. The 1st Anual Australian Social Network Analysis Conference. Melbourne, Victoria, Australia. (Swinburne University of Technology)

• Hirashima, T., & Igarashi, T. (2016, Aug. 1). Cross-cultural investigation of Social Networking Motivation Scale. in "Social Networks in diverse Sociocultural contexts: Parenting, psychological adjustments, and networking motivations" (Chair: Igarashi, T.; speakers: Hirashima, T. & Igarashi, T.; Sadewo, G. & Kashima, E.; Nishimura, T., Furutani, K., Soma, T., & Naganuma., T.), The 23rd International Association for Cross-Cultural Psychology. Nagoya, Aichi, Japan. (Winc Aichi)

• Hirashima, T., Ito, H., Tani, I., Tsubota, Y., Oshio, A. Abe, S. Kawamoto, T., Terracciano, A., & Sutin, A. (2016, July 26). Big-Five personality traits and body mass index (BMI) in Japan: A cross-sectional and longitudinal study. The 31st International Congress of Psychology. Yokohama, Kanagawa, Japan.

• Hirashima, T. (2016, July 25). Structural Equation Modeling in social psychology: Current usage and potential application. In thematic session "Promises and pitfalls of the structural equation modeling technique in psychological research (organizer: Ito, H.; speakers: Hirashima, T., Tani, I., Ito, H., and Yukihiro, R.; discussant: Murakami, T.). The 31st International Congress of Psychology. Yokohama, Kanagawa, Japan.

• Hirashima, T., & Igarashi, T. (2015, Feb. 27). Social networking motivations and ego-centric network structures. The 16th Annual Meeting of the Society for Personality and Social Psychology. Long Beach, CA, USA.

• Oshio, A., Hirashima, T., Ito, H., Kawamoto, T., Tani, I., & Abe, S. (2014, July 18). Cross-sectional age differences in personality traits from 23 to 79 in Japan. The 17th European Conference on Personality. Lausanne, Switzerland.

• Hirashima, T., Igarashi, T., & Asano, R. (2014, May 25). The Social Networking Motivations Scale: Examining factorial and criterion validity. The 26th Annual Meeting of the Association for Psychological Science. San Francisco, CA, USA.

• Hirashima, T., & Igarashi, T. (2014, Feb. 13). The effects of social network composition on attitudinal ambivalence. The 15th Annual Meeting of the Society for Personality and Social Psychology. Austin, TX, USA.

• Hirashima, T., Ito, H., Tani, I., Yasunaga, K., & Tujii, M. (2013, July 18). Construct validity of the Japanese Version of the Adolescent/Adult Sensory Profile assessed on the basis of data from people with autism spectrum disorder. The 12th European Congress of Psychological Assessment. Donostia-San Sebastián, Spain, 202.

• Yasunaga, K., Ito, H., Tani, I., Hirashima, T., & Tsujii, M. (2013, July 18). The factor structure of Repetitive Behavior Scale-Revised in Japanese individuals with autism spectrum disorder. The 12th European Congress of Psychological Assessment. Donostia-San Sebastián, Spain, 178.

• Ito, H., Hirashima, T., Yasunaga, K., Tani, I., & Tsujii, M. (2013, July 20). Validation of a Japanese Version of the Sensory Profile: Comparison between individuals with and without developmental disorders. The 12th European Congress of Psychological Assessment. Donostia-San Sebastián, Spain, 230.

• Tani, I., Ito, H., Hirashima, T., Yasunaga, K., & Tsuji., M. (2013, July 20). Development of the Japanese Version of the Vineland Adaptive Behavior Scales, Second Edition: Item analysis and Developmental Changes of the Adaptive Behavior Scales. The 12th European Congress of Psychological Assessment. Donostia-San Sebastián, Spain, 255.

• Hirashima, T., Tsuchiya, K., Motoyoshi, T., & Yoshida, T. (2013, Jan. 18). Feeling conflicted and decision-making process: The effects of attitudinal ambivalence on information search and elaboration. Poster session presented at the 14th Annual Meeting of the Society for Personality and Social Psychology, 226. New Orleans, USA.

• Nomura, K., Okada, K., Noujima, Y., Kojima, S., Tanaka, Y., Shima, Y., Hirashima, T., Amano, & M., Fukumoto, R. (2012, July). Clinical studies of attention deficit hyperactivity disorder (ADHD) in the infancy. Poster presented at the 20th World Congress of IACAPAP. Paris, France.

• Hirashima, T., Tsuchiya, K., Motoyoshi, T., & Yoshida, T. (2012, Mar. 31). The effects of attitudinal ambivalence on information search. Poster session presented at the Asian Congress of Psychology and Behavioral Science. Osaka, Japan.

• Tanaka, Y., Okada, K., Noujima, Y., Kojima, S., Shima, Y., Hirashima, T., Amano, M., Ogura, M., Hatagaki, C., Fukumoto, R., & Nomura, K. (2012, March). Utility of health checkups in 5-year-old children for screening for developmental disorders. Poster presented at the 20th European Congress of Psychiatry. Prague, Czech.

• Hirashima, T., Tsuchiya, K., Motoyoshi, T., & Yoshida, T. (2012, Jan. 27). The effects of attitudinal ambivalence on behavioral intention formation. Poster session presented at the 13th Annual Meeting of the Society for Personality and Social Psychology, 143. San Diego, USA.