2019 - 2023 The effects of legal socialization on people's attitudes towards contracts.
2019 - 2022 児童の道徳感情帰属と道徳的行動の関係の発達
2014 - 2018 Legal Expertise and Metacognition on Law.
2014 - 2017 Development of moral emotion attributions from childhood to young adulthood
2013 - 2016 The development and evaluation of International friendship programs carried out using an SNS
2012 - 2013 小学生対象の民主主義理解教育の提案とその効果検証
2011 - 2013 Tolerance for diversity: Examination of the developmental meaning and the possibility of education
2008 - 2010 The development and evaluation of a media education program based on content analysis and longitudinal surveys on violent scenes
2008 - 2010 Tolerance to Diversity: The Judgment of Children and Adolescents When Accepting Others to Their In-Groups.
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Papers (41)：
Aleksander Veraksa, Mari Hasegawa, Daria Bukhalenkova, Olga Almazova, Margarita Aslanova, Emi Matsumoto. Comparison of executive functions in Russian and Japanese preschoolers. Frontiers in Psychology. 2024. 15
Joanna Peplak, Beatrice Bobba, Mari Hasegawa, Simona C S Caravita, Tina Malti. The warm glow of kindness: Developmental insight into children's moral pride across cultures and its associations with prosocial behavior. Developmental psychology. 2023
Mari Hasegawa. A Preliminary Study of Understanding of Ownership on Elementary School Students. 2023. 8. 181-192
Mari Hasegawa. The Judgments and Emotion Attributions in Peer Exclusion Situations among Fourth, Sixth, and Eighth Graders in Japan. International Journal of Environmental Research and Public Health. 2023. 20
Mari Hasegawa. Relationship between moral decision-making, emotions, and well-being among college students. Annual bulletin, graduate school of education, Tohoku University. 2023. 9. 1-7
How does Mother Speak to Child? :Mother-child Conversations in Context of Moral Pride. Annual Report Graduate School of Education, Tohoku University. 2023. 72. 1. 19-36
Preparation committee of 30th annual meeting of Japan society of youth and adolescent psychology, FUJII Kyoko, OHTANI Munehiro, HASEGAWA Mari, SUZUKI Kensuke, ONO Hisashi. Progress in research of youth and adolescent psychology in diverse societies. Proceedings of Annual Meeting of JAPAN SOCIETY OF YOUTH AND ADOLESCENT PSYCHOLOGY. 2022. 30. 13-16
The education system in Japan's elementary schools and child development
(Seminario excepcional: Universidad Complutense de Madrid 2019)
The development of understanding of moral emotions and social exclusion in preschoolers and 3rd graders.
(18th European Conference on Developmental Psychology 2017)
Development of Moral Emotions and Decision Making From Childhood to Young Adulthood
(Research seminar: Mechanical and Industrial Engineering department in U of T 2017)
Panel survey on tolerating different opinions on interpersonal networks of university students.
(28th International Congress of Applied Psychology (Paris, France) 2014)
2013/04 - 2020/03 Yokohama City University Graduate School of Urban Social and Cultural Studies
2016/09 - 2017/08 University of Toronto
Committee career (9)：
2024/01 - 現在 日本教育心理学会 『教育心理学年報』編集委員会委員
2023/01 - 現在 日本発達心理学会 国際研究交流委員会委員
2022/04 - 2022/09 日本教育心理学会 「教育心理学研究」城戸奨励賞選考委員会委員
2021/04 - 2021/09 日本教育心理学会 「教育心理学研究」優秀論文賞選考委員会委員
2018/01 - 2020/12 日本教育心理学会 教育心理学研究 常任編集委員
2009/07 - 2016 日本心理学会 地域別代議員 関東
2008/11 - 2012 日本パーソナリティ心理学会 パーソナリティ研究 常任編集委員
2007/08 - 2008/11 日本パーソナリティ心理学会 パーソナリティ研究 編集委員
2008/01 - 2008/03 日本発達心理学会 発達心理学研究 編集委員
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Awards (1)：
日本発達心理学会第14回学会賞(論文賞)
Association Membership(s) (4)：
The Japan society for Studies of Educational Practices on Moral Development
, JAPAN SOCIETY OF DEVELOPMENTAL PSYCHOLOGY
, THE JAPANESE ASSOCIATION OF EDUCATIONAL PSYCHOLOGY
, THE JAPANESE PSYCHOLOGICAL ASSOCIATION
