- 2023 - 2027 A Study of the Japanese National Character: Succession and Development
- 2022 - 2027 The Development of the probability-based online panel for accurate exploration of the impact of Covid-19.
- 2021 - 2025 Similarities and Differences in Values Among the Japanese and American Younger Generation
- 2021 - 2024 社会的危機状況下における人びとの意識の変容とその階層差に関する社会学的解明
- 2019 - 2024 Nationwide data collection of SSP2020 Survey and methodological investigation of web survey based on random sampling
- 2020 - 2023 調査票調査におけるセンシティブな質問への回答に対する調査員の影響の計量的研究
- 2018 - 2022 Implementation of Computer-Assisted Mixed Mode Survey under Difficulties of Social Survey
- 2018 - 2022 社会調査の困難状況に対応するコンピュータ支援型複合モード調査法の実装
- 2017 - 2020 Understanding NEETS from Sociological Perspective. Individual and institutional determinants of youth inactivity in France, Germany, Japan, the Netherlands, and the UK
- 2017 - 2020 NEETに関する比較社会学的研究:日仏独蘭英における個人的要因と制度的要因
- 2016 - 2019 Cross-national Comparisons of Emerging and Young Adults: A Quantitative Sociological Study on Values and Ethics
- 2016 - 2019 Research on interviewer effects on reporting in an interviewer-administered survey
- 2016 - 2019 計量社会学的方法による若年層の価値と規範に関する国際比較研究
- 2016 - 2019 個別面接法調査における調査員効果に関する計量的研究
- 2013 - 2016 A comparative study of the impact of instituional factors on stratification and attitudes
- 2013 - 2016 A quantitative sociological approache to revise the classification scheme of employment status in the age of increasing mobility of employment
- 2013 - 2016 Methodological research for improving reliabiity and applicability of social survey with the aid of ICT
- 2011 - 2015 An Empirical Research on Education, Social Stratification, and Social Mobility
- 2010 - 2013 Comparative Sociological Study on the Formation of Social Inequality
- 2010 - 2012 Research for establishing an implementation model of a middle-scaled survey as a basis for international comparative studies
- 2010 - 2012 A sociometric study of the diversity of class origin among young non-regular workers.
- 2008 - 2010 Studies of Social Stratification in Contemporary Japan : From the Perspective of Micro-Macro Linkages
- 2007 - 2009 The effects of the interaction among generations on developments and changes of family systems
- 2005 - 2007 階層意識形成の媒介要因としての空間性への計量的アプローチ
- 2004 - 2007 現代日本階層システムの構造と変動に関する総合的研究
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