Mainly based on educational and economics, he conducts a wide range of research and educational activities, including infant education, inclusive education, recurrent education, and employment of the elderly and disabled. In addition, we conduct research in response to social needs, such as theoretical establishment of systems and policies related to QOL and rehabilitation medicine, and developing scales, mainly in the human service field.

Education Economics, Introduction to Inclusive Education

Graduated from Tohoku University Graduate School of Medicine
Graduated from Tohoku University Graduate School of Economics

Ph.D. (Disability, No.88)
Ph.D. (Keihaku (Management) No. 84)

Asian Society of Human Services, KOCON (The Korea Contents Association), Korea Society of Social Policy, Korea Society of Social Service, Japan LD Society, Special Education Society

Education economics, Inclusive Education, Inclusive Education, Diversity Education, Recurrent Education, QOL, Organization Management, Human Capital

Inclusive education, infant education, school QOL, Diversity education, and organizational management

Google Scholar page
https://scholar.google.jp/citations?view_op=list_works&hl=ja&hl=ja&user=Fh5gTHsAAAAJ

・HAN Changwan , his child, not developmental disorders of IN-Child. Sakurasha, 2019.2
・HAN Changwan , everyone can be an excellent child! ー Demonstration of CRAYON Project Sakurasha, 2023.9
・Changwan HAN, Eun-Joo LEE, Tsutomu IWAYA, Hitomi KATAOKA and Masahiro KOHZUKI. Development of the Korean Version of Short-Form36-Item Health Survey: Health Related QOL of Healthy Elderly People and Elderly Patient in Korea, The Tohoku Journal of Experimental Medicine, 203(3): 189-194, 2004.7（impact factor=0.700）
・Changwan HAN, Yuki YAJIMA, Eunjoo LEE, Kazuo NAKAJIMA, Makiko MEGURO, Masahiro KOHZUKI. Validity and Utility of the Craig Hospital Inventory of Environmental Factors for Korean Community-Dwelling Elderly with or without Stroke. The Tohoku Journal of Experimental Medicine, 206(1): 41-49, 2005.5（impact factor=0.927）
・Changwan HAN, Yuki YAJIMA, Kazuo NAKAJIMA, Eunjoo LEE, Makiko MEGURO, Masahiro KOHZUKI. Construct Validity of the Frenchay Activities Index for Community-Dwelling Elderly in Japan. The Tohoku Journal of Experimental Medicine, 210(2): 99-107, 2006.10（impact factor=1.012）
・Changwan HAN, Eunjoo LEE, Masahiro KOHZUKI. Validity and Reliability of the Frenchay Activities Index for Community-dwelling Elderly in South Korea. The Tohoku Journal of Experimental Medicine, 217(3): 163-168, 2009.3（impact factor=1.347）
・Hyunuk SHIN, Changwan HAN, Masahiro KOHZUKI. Social Mobility and Psychiatric Disabilities: An Assessment of the Social Causation and Social Selection Hypotheses. The Tohoku Journal of Experimental Medicine, 222(1): 23-31, 2010.9（impact factor=1.145）
・Changwan HAN, Development of Sustainable Work-styles for Individuals and Team Challenges (SWITCH) as a Tool for Measuring and Promoting Work Motivation; Theoretical Definition, Reliability, and Validity, Asian Journal of Human Services, 25:1-20, 2023.10 (scopus citescore=0.3)

・2011 – 2013 Fundamental Research (B)　 Support for the return of victims' lives through safe evacuation methods and evacuation rehabilitation programs with emphasis on life (23330177) Research assignment
・2015 – 2017 Fundamental Research (C) Development of Special Needs Education Outcome Evaluation Scale (SNEAT) and Construction of Class Results Evaluation Model (15K04567) Research Representative
・2016 – 2018 Basic Research (C) Standardization of Inclusive Education Promotion through assignment of special support education support staff Standardization of evaluation scale (16K04838) Research
・2019 – 2023 Fundamental Research (C) Development of a new QOL scale for evaluation of educational outcomes (19K02400) Research Representative
・2022 – 2024 Fundamental Studies (C) Development of Number Conceptual Programs for Infants and Verification of Statistical Effects (22K02442)
・2023 – 2026 Fundamental Research (C) Verification of the Effectiveness of Infant Education Using Longitudinal Data - From the perspective of conceptual formation of children and self-expression -(23K02234) Research

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