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 RYUJI OGUNI 

Publications
論文 (査読有)​​
  1. ​Oguni, R., Suzuki, K., Murayama, A., & Nagai, M. (in press). Seeing victims through the lens of belief in a just world: Evidence from the reverse correlation method. Asian Journal of Social Psychology.
  2. Oguni, R., Tham, Y. J., & Ishii, C. (2026). Does gratitude moderate the bystander effect? A registered report. Cognition and Emotion. https://doi.org/10.1080/02699931.2026.2699829
  3. Meng, X., Oguni, R., Nishina, K., Murakami, T., Mizuno, Y., & Wang, J. (2026). How does the mind grow? Cross-cultural intuitive theories of mental development. Psychological Science, 37(7), 493-513. https://doi.org/10.1177/09567976261453926
  4. 谷 千聖・小國 龍治・下司 忠大・樋口 穂乃佳・三田村 仰 (2026). 日本語版パートナーからの応答性知覚・非応答性知覚尺度の作成と信頼性・妥当性の検討 心理学研究, 97(5). https://doi.org/10.4992/jjpsy.97.25905
  5. Oguni, R., Hagiwara, C., & Shimotsukasa, T. (2025). The role of reputational concerns in pathological altruism and healthy selfishness. Letters on Evolutionary Behavioral Science, 16(2), 25–30. https://doi.org/10.5178/lebs.2025.127
  6. Oguni, R., Izumi, T., Abe, N., & Otake, K. (2025). Assessing and nurturing character strengths among children and adolescents: Overview and challenges. Frontiers in Education, 10, 1662099. https://doi.org/10.3389/feduc.2025.1662099
  7. Oguni, R., Izumi, T., Abe, N., & Shimotsukasa, T. (2025). Strengths knowledge scale and strengths use scale for children: Development of short version scale using item response theory. Journal of Health Psychology Research, 38(1), 33–47. https://doi.org/10.11560/jhpr.240122215
  8. 鹿子木 康弘・田辺 和奏・千々岩 眸・小國 龍治・萩原 広道 (2025). 子どもの公正世界信念の発達 心理学研究, 96(3). 156–165. https://doi.org/10.4992/jjpsy.96.23053
  9. Oguni, R., Hagiwara, C., & Shimotsukasa, T. (2025). Relationship between reputational concern and altruistic behavior in adolescence and adulthood. Personality Science, 6, 1–11. https://doi.org/10.1177/27000710251340614
  10. Oguni, R., Hagiwara, C., & Shimotsukasa, T. (2025). Development of the Japanese version of the healthy selfishness and pathological altruism scale. Personality Science, 6, 1–14. https://doi.org/10.1177/27000710251340618
  11. ​​​Oguni, R. & Taguchi, K. (2025). Reputational concerns moderate the relationship between lying and depression. Frontiers in Developmental Psychology, 2, 1513617. https://doi.org/10.3389/fdpys.2024.1513617
  12. ​​​Oguni, R. & Otake, K. (2025). How does gratitude promote prosocial behavior? Developmental differences in the underlying motivation. Japanese Psychological Research, 67(1), 24–34. https://doi.org/10.1111/jpr.12432
  13. Oguni, R. & Ishii, C. (2024). Gratitude promotes prosocial behavior even in uncertain situation. Scientific Reports, 14, 14379. https://doi.org/10.1038/s41598-024-65460-z
  14. ​​​Oguni, R. & Otake, K. (2020). Prosocial repertoire mediates the effects of gratitude on prosocial behavior. Letters on Evolutionary Behavioral Science, 11(2), 37–40. https://doi.org/10.5178/lebs.2020.79
  15. 小國 龍治・小林 正法・大竹 恵子 (2020). 援助行動の想像は援助効力感を高める パーソナリティ研究, 29(1), 20–22. https://doi.org/10.2132/personality.29.1.7
  16. 小國 龍治・大竹 恵子 (2017). 児童用強み認識尺度と児童用強み活用感尺度の作成及び, 信頼性と妥当性の検討 パーソナリティ研究, 26(1), 89–91. https://doi.org/10.2132/personality.26.1.8
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論文 (Preprint)
  1. Lu, C., Toda, R., Oguni, R., Kanakogi, Y., & Marshall, J. (2026). Social relationships and cultural context shape predictions about third-party intervention. SSRN, https://doi.org/10.2139/ssrn.6429407
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論文 (Manuscripts in Progress)​​
  1. Oguni, R., Izumi, T., Abe, N., & Shimotsukasa, T. (submitted). .....
  2. ​Oguni, R., Taguchi, K, Hagihara, H., & Kanakogi, Y. (submitted). .....
  3. Oguni, R., Inoue, K, Kang, R. N., & Tani, C. (under revision). .....
  4. Lu, C., Toda, R., Oguni, R., Kanakogi, Y., & Marshall, J. (under revision). .....
  5. Ono, A., Oguni, R., & Meng, X. (under review). .....
  6. Taniguchi, A., Oguni, R., & Ishii, C. (in prep). .....
  7. Taguchi, K.​​​ & Oguni, R. (in prep). .....
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論文 (査読無)
  1. 小國 龍治 (2025). 向社会性の発達と逆境体験の影響──傷つきながらも他者を思いやる子どもたち── 臨床心理学, 25(5), 629-633. https://doi.org/10.69291/cp25050629
  2. 小國 龍治 (2022). 心理臨床現場におけるアセスメントの有効性──難波論文へのコメント── 川崎医療福祉大学附属心理・教育相談室年報, 16, 61.
  3. 小國 龍治 (2016). 物忘れを主訴とする男子中学生への見通しと計画性を促す関わり 川崎医療福祉大学附属心理・教育相談室年報, 11, 19-30.​​
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メディア報道

  1. Association for Psychological Science: Across Cultures, People Share Beliefs on How Children’s Minds Grow: A new study examines how people from around the world think about children’s mental development (2026年)

  2. ナゾロジー：「感謝」で人は親切になるが，”誰かが助けるだろう”の「傍観者効果」は打ち消せない (2026年)

  3. ​​PsyPost: Gratitude makes people more helpful, but it doesn’t overcome the bystander effect (2026年)

  4. Rutgers Today: In the Nature-Versus-Nurture Debate, Intuition Is a Common Denominator (2026年)

  5. Earth.com: People around the world share similar beliefs about how a child's mind develops (2026年)

  6. Phys.org: Why people worldwide see some mental abilities as inborn and others as learned (2026年)

  7. Neuroscience News: A universal model of childhood mind development (2026年)

  8. EurekAlert!: Born with or learned? A cross-cultural study reveals how people imagine the development of the human mind (2026年)

  9. Nagoya University: Born with or learned? A cross-cultural study reveals how people imagine the development of the human mind (2026年)

  10. 大学ジャーナルオンライン：人々は心の発達を「知覚」と「内省」の二次元構造で捉える  ６カ国の成人に調査 (2026年)

  11. 官庁通信デジタル：その能力は「生まれつき」か「育ち」か 名大教授らが文化を超えた「心の発達観」発見 (2026年)

  12. 名古屋大学プレスリリース：その能力は「生まれつき」か「育ち」か──"心の発達観"に異文化で共有される二次元構造を確認── (2026年)

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