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TSUJI Ryuhei

    Major in Social Sciences and Media Studies, Department of Applied Sociology　Professor
Last Updated :2024/05/15

Researcher Information

Degree

  • Ph.D.（University of California, Irvine）

URL

Research funding number

  • 40323563

J-Global ID

Research Interests

  • Occupational Evaluation   disserster   復旧・復興   resional activation   interresional comparison   village   urban   classical music   trust   small world   格差   social inequality   地域間格差   social survey   caltural capital   social capital   social networks   数理モデル   社会ネットワーク分析   Mathematical Models   Social Network Analysis   

Research Areas

  • Humanities & social sciences / Social psychology
  • Humanities & social sciences / Sociology

Academic & Professional Experience

  • 2017 - Today  Kindai UniversitySchool of Applied SociologyProfessor
  • 2016 - 2017  Shinshu UniversityFaculty of ArtsProfessor
  • 2008 - 2016  Shinshu UniversityFaculty of ArtsAssociate Professor
  • 2007 - 2008  Meiji Gakuin University心理学部Associate Professor
  • 2006 - 2007  Meiji Gakuin University心理学部Associate Professor
  • 2004 - 2006  Meiji Gakuin University心理学部Assistant Professor
  • 2003 - 2004  Meiji Gakuin University文学部Assistant Professor
  • 2000 - 2003  University of Tokyo人文社会系研究科Lecturer

Education

  • 1993 - 1999  カリフォルニア大学アーヴァイン校  社会科学研究科  社会ネットワーク分析専攻
  •        - 1999  University of California, Irvine  School of Social Sciences  Graduate Program in Social Network Analysis
  • 1991 - 1993  Kwansei Gakuin University  社会学研究科  社会学専攻
  •        - 1993  Kwansei Gakuin University  Graduate School, Division of Sociology
  • 1987 - 1991  Kwansei Gakuin University  School of Sociology  Department of Sociology

Association Memberships

  • International Sociological Association   社会調査協会   日本社会心理学会   日本社会学会   アメリカ社会学会   国際社会ネットワーク分析学会   数理社会学会   Japanese Society of Social Psychology   Japan Sociological Society   American Sociological Association   International Network for Social Network Analysis   Japanese Association for Mathematical Sociology   

Published Papers

  • 辻 竜平
    Kindai Applied Sociology Review 近畿大学総合社会学部 11 (1) 51 - 61 2186-6260 2022/09 
    type:Departmental Bulletin Paper [Abstract] The vaccines for COVID-19 have been developed, and vaccination in Japan began on February 17, 2021, starting with doctors and nurses, followed by those aged 65 years and older on April 12, and those aged 18 to 64 years on June 17. In this study, an online survey (CAWI) was conducted in late November 2021 for people aged 15 (excluding junior high school students) to 74. The questions included the month in which they got their first vaccination and how many of their family members, relatives, colleagues, and friends/acquaintances had already been vaccinated at the time of the shot. The data analysis of non-medical/nursing personnel under 64 years of age showed that the higher the rate of vaccinated people in the workplace or that of vaccinated friends/acquaintances, the later the timing of vaccination. I.e., peer pressure occurred in such a way to avoid taking a shot; the more people around the person got vaccinated, the later in the timing of vaccination the focal person was. 専攻: 数理・計量社会学，社会ネットワーク分析
  • 辻, 竜平
    Kindai Applied Sociology Review 近畿大学総合社会学部 10 (1) 39 - 48 2186-6260 2021/09 
    type:Departmental Bulletin Paper [Abstract]The pandemic of the new coronavirus COVID-19 caused waves of infection in Japan, and in each wave, people were asked to refrain from going out and having interpersonal contacts. This paper examined what suppressed （or promoted） going out and interpersonal contact during the pandemic. The data were collected by internet survey in mid-November 2020 and recorded the situations from the first emergency declaration in April to the early stage of the third wave in November. Factors to examine were the engagement in a specific occupation, the contact possibility such as the commuting time and the personal network size, and the psychological factors such as the cultural self-concept. As a result, among the specific occupations, welfare and nursing care workers had high levels of going out and interpersonal contact during the first declaration of emergency, but the level had decreased gradually. Contrary, in the early stage of the third wave, those who worked in a restaurant without close contact with customers went out and had interpersonal contact more often. Concerning the possibility of contact, during the declaration of the first state of emergency, those who commuted by public transportation tended to go out slightly more often, and who had many friends and acquaintances tended to reduce going out. Among the psychological scales, “harmony seeking”, a subscale of the cultural self-concept scale, suppressed both going out and interpersonal contact during the declaration of the first emergency; however, the effect gradually decreased as time proceeded. “Self-expression”, another subscale, consistently suppressed both going out and interpersonal contact. Contrary, “distinctiveness of the self”, another subscale, promoted both going out and interpersonal contact in the third wave. The factors’ interpretations and longitudinal changes were discussed, and a comprehensive discussion was given in the last section. 専攻: 数理・計量社会学
  • Ryuhei Tsuji
    Kindai Applied Sociology Review 近畿大学総合社会学部 8 (2) 29 - 38 2186-6260 2020/03 
    type:Departmental Bulletin Paper [Abstract]This paper examined the following hypothesis such that when the father’s social status is higher than the child’s, the child evaluates his/her social position higher than his/her own; however, if the gap is too large, the child lowers his/her evaluation. Using SSM 2015 data, fractional polynomial regression analysis was conducted. The results supported the hypothesis. Therefore, if the child is able to utilize more economic affluence, social capital, and/or cultural capital of the father, he/she may enjoy the benefits and regards his/her social status higher. However, if the gap between the father and the child is too large, the child feels embarrassed and lowers his/her evaluation of social status. 専攻: 社会ネットワーク, 数理・軽量社会学
  • 災害からの復旧・復興と地域コミュニティ：新潟県中越地震の事例から
    辻竜平
    『ソーシャル・キャピタルと社会』 169 - 195 2018/06
  • 汎用版ポジション・ジェネレータの作成
    辻竜平
    雇用多様化社会における社会的地位の測定 102 - 111 2018/03
  • 辻竜平
    2015 年 SSM 調査報告：労働市場1 6 137 - 164 2018/03 
    本稿では，入職経路によって地位達成に有利／不利の違いがあるのか，また，産業によって入職経路と地位達成の関係に違いがあるのかを検討する．地位達成は，継続期間，収入，職業威信という3つの側面から検討することとし，入職経路は，10種類（分析に用いるのは，そのうち8種類）の分類を用いることとする．また，このような検討を行う中で，入職に社会関係資本を利用することが有利／不利なのかを考察する．2015年SSM調査のデータを分析した．まず，入職経路と産業の別に単純に地位達成に差があるのかを一要因分散分析で示し，その後，地位達成を従属変数とし，入力経路と産業の主効果，およびそれらの交互作用，個人属性を独立変数としたOLS分析を行った．OLSの結果，先行研究で指摘されていた「血縁関係」による入職の不利は解消されていた．「友人・知人」からの紹介による地位達成の程度は，「家族・親戚」からの紹介の場合とほとんど違いがみられなかった．転職後に「家業継承」した場合に，入職後の継続期間は長いが収入は低いという，社会関係資本のダークサイドに陥ることを示唆するケースもあった．
  • 辻 竜平
    理論と方法 = Sociological theory and methods : official journal of the Japanese Association for Mathematical Sociology [数理社会学会] ; 1986- 33 (1) 94 - 113 0913-1442 2018 
    It has repeatedly been examined that occupational evaluations are stable over time and various viewpoints. However, it does not mean that the evaluation will not change at all. This paper examined whether occupational evaluations were changed by the existence of a person who engaged in the particular occupation among the respondents’ family, relatives, friends, or acquaintances. We can think of some mechanisms for the evaluation change. First, we receive some support from a person who engaged in the focal occupation, and give a higher evaluation to the occupation in return. We call this mechanism the “support effect.” Second, we may give a higher evaluation to our own occupation than others do, and this results that we give a higher evaluation to others’ occupation of the same kind. We call this mechanism the “self-enhancement effect.” Third, as we get to know more about the compensation of the focal occupation, we may give a higher evaluation to the occupation. We call the mechanism the “knowledge effect.” Exploratory analyses were conducted to examine which mechanism applies to each occupation. We could find out only a few occupations whose evaluation got higher when we had a person in the focal occupation in our family / relatives / friends / acquaintances; and among those occupations, the support effect was seen in about a half of them. In addition, among those occupations in which knowing someone engaged in them did not make a difference in evaluations, some of them showed support effect.
  • 辻竜平
    信州大学人文科学論集 = Shinshu studies in humanities 信州大学人文学部 4 (4) 65 - 83 2423-8910 2017/03 
    「集団的自衛権」を容認したのは，どのような人だったのだろうか。「集団的自衛権」が争点となる前の2014年９月に松本市で収集された調査票調査と，参議院での採決を挟んだ2015年９月～10月に長野県内の20市町村で収集された調査票調査のデータを分析し，各時点の特徴および２時点間の変化について検討する。特に重要な理論的側面として，ナショナリズム，支持政党，寛容と信頼という側面を取り上げた。分析は，潜在変数を用いたパスモデルで共分散構造分析を行った。その結果，愛国主義者と自民党支持者が「集団的自衛権」をより強く容認するようになり，共産党支持者がより強く反対するようになった。また，公明党や民主党の支持者は2015年になると支持／不支持を明確にするようになった。寛容については，両年とも異なる文化や価値観を持つ人々に対して許容ないし配慮しない人が「集団的自衛権」を容認する効果が認められた。信頼については，2015年に「集団的自衛権」に対して正と負の異なる態度を導く２つの経路が存在したことがわかった。
  • 辻 竜平
    信州大学人文科学論集 = Shinshu studies in humanities 信州大学人文学部 3 (3) 29 - 44 2423-8910 2016/03 
    「集団的自衛権」を容認したのは，どのような人だろうか．これについて，ナショナリズムと寛容・信頼の側面から検討した．そのために，２０１４年１２月のいわゆる「アベノミクス解散」以前の２０１４年９月に松本市で収集された調査票調査のデータに対して，潜在変数を用いたパスモデルで共分散構造分析を行った．その結果，全体効果として，自民党支持者，愛国主義者，排外主義者，男性が「集団的自衛権」を容認し，共産党支持者が容認しないことがわかった．異なる価値観を持つ人を許容しない人も「集団的自衛権」を容認するという直接効果が認められたが，全体効果はなかった．
  • 辻 竜平
    信州大学人文科学論集 = Shinshu studies in humanities 信州大学人文学部 (2) 67 - 79 2015/03 
    口承文芸の一つの形態に昔話がある。本稿では，新潟県旧栃尾市で水沢謙一によって収集された「三枚のお札」のヴァリアントを事例に取り上げ，その地理的な分布と物語の内容の特徴が，通婚圏によって規定されているのではないかと考えた。農村集落では近隣集落から語り手の女性が結婚して移動したことから，近隣の農村集落間でヴァリアントの類似性が高く，かつ，比較的特徴的なものであると予想した。一方，町部では女性がより広域に移動したことから，町部における口承文芸のヴァリアントは，折衷的であまり特徴のないものになってしまうと予想した。コレスポンデンス分析の結果，予想はおおむね支持された。
  • Yamaki Kazushige; Tsuji Ryuhei; Chino Tsunehide; Fujisaki Hiroyuki; Hayashi Masahide; Hiyane Akira; Kanazawa Yusuke; Saitou Akemi; Shibasaki Shigemitsu; Takahashi Masaya
    Journal of the Japanese Forest Society THE JAPANESE FORESTRY SOCIETY 96 (4) 221 - 228 1349-8509 2014 
    In order to revitalize depopulated areas, rural development using local natural resources is important. This case study examined the role of human network in rural development using social network analysis, focusing on Kuzumaki Town in Iwate Prefecture. The present and former town mayors were located displaying their leadership at the center of their respective networks when they are or were in office. The core network consisted of the town mayor, vice-town mayor, leaders in joint public-private ventures and forest association in the town. The highly cohesive network between these local leaders across sectional barriers supported the town mayors' leadership. In addition, the dense network has remained stable across the two periods, forming bonding social capital. On the other hand, actors in the core network had a lot of ties with actors not only inside but also outside the town, functioning as bridging social capital to obtain diverse resources from outside the town.
  • 辻 竜平
    人文科学論集. 人間情報学科編 信州大学人文学部 (47) 115 - 128 1342-2782 2013/03
  • 辻 竜平; 石黒 格; 野沢 慎司
    社会と調査 社会調査協会 ; 2008- (10) 9 - 37 2013/03
  • 辻 竜平
    社会と調査 社会調査協会 ; 2008- (10) 5 - 8 2013/03
  • 辻 竜平; 村山 研一
    人文科学論集. 人間情報学科編 信州大学人文学部 0 (46) 69 - 80 1342-2782 2012/03 
    「集落」と「村落」ないし「農村」は，異なる意味がある。集落は，地理的に家々が集まっていることを指すのに対し，村落は，単に家々がまとまっているだけでなく，その中で集団が累積される形で組織化されており，社会的統一性がある場合を指す。ここでは，大鹿村の性質の異なる２集落を取り上げ，それらが村落と見なしうるかどうかを社会ネットワーク分析のいくつかの指標を用いて検討した。その結果，それらの２集落について，いずれも村落と判断できることが示された。
  • TSUJI Ryuhei
    Sociological Theory and Methods Japanese Association For Mathematical Sociology 27 (1) 169 - 174 0913-1442 2012
  • Ryuhei Tsuji; Motoko Harihara
    SOCIOLOGICAL THEORY AND METHODS JAPANESE ASSOC MATHEMATICAL SOCIOLOGY 25 (1) 31 - 47 0913-1442 2010/09 
    We conducted a questionnaire research targeted to junior high school students who were under the developing process toward adulthood to ask their recognitions and evaluations of various human relations. A set of triad tests and a correspondence analysis were used to measure the recognitions of the nine categories of human relations, and scales were used to measure the evaluations in terms of "closeness" and "trust" of the categories. We found the following. 1) The "first dimension" of the correspondence analysis had strong correlation with the evaluations of "closeness" and "trust," which indicates the importance of the dimension. 2) "General trust" had strong correlations with the "first dimension," "closeness," and "trust," of "friends," "classmates," and those in the same "junior high school." Those results suggest that general trust of junior high school students is constructed through the process of so-called the "reduction approach."
  • KOBAYASHI Jun; TSUJI Ryuhei
    Sociological Theory and Methods Japanese Association For Mathematical Sociology 25 (1) 15 - 17 0913-1442 2010
  • TSUJI Ryuhei; HARIHARA Motoko
    Sociological Theory and Methods Japanese Association For Mathematical Sociology 25 (2) e2 - e2 0913-1442 2010 
    『理論と方法』第47 号(Vol.25 No.1)において，編集及び印刷段階における不手際から文字脱落がありました．執筆者並びに読者の皆様に深くお詫び申し上げるとともに，訂正所を以下に記します．

    36 ページの図１の正しい図は，PDFの通りです．
  • TAKAGI Daisuke; TSUJI Ryuhei; IKEDA Ken'ichi
    Japanese Journal of Social Psychology 日本社会心理学会 26 (1) 36 - 45 0916-1503 2010 
    In this study, we examined crime control in local communities through interpretations mainly from social capital. Using data obtained from a mail survey in an urban area, we investigated the effects of cooperative behaviors promoted by individual-level or macro-level social capital in neighborhoods on the number of respondents' crime victimizations. The results show that the network size of cooperative acquaintances at the individual level promotes the number of respondents' cooperative behaviors. Moreover, having a neighborhood where greeting and standing talking are frequent promotes respondents' cooperative behaviors. It is also suggested that cooperative behaviors aggregated at the macro level have an inhibitory effect on the number of victimizations in terms of "burglaries of the communities."
  • TAKAGI Daisuke; TSUJI Ryuhei
    Japanese Journal of Social Psychology 日本社会心理学会 24 (3) 189 - 199 0916-1503 2009 
    In this study, we focused on the effect of the information of others' memories and of the delay of recognition on conformable eyewitness memories to others. A2 (delay: no delay vs. one week) ×2 (experimental group vs. control group) experimental design was employed (both factors were between-subjects variables), and experiments were carried out by four participants per session (a total of 85 participants). First, in a recognition task about a video clip, participants in the experimental group were shown "false responses by others." After that, participants undertook a similar recognition task and a Remember/Know judgment task about these items. As a result, the participants that took the task after one week showed a higher conformity response rate to the false responses others' than participants that took the task immediately after encoding. Moreover, the participants in the experimental group showed a higher Remember-judgment rate in wrong answers than participants in the control group. These results suggest that even though testimony taken from an eyewitness group may be concrete and clear, it is possible that it does not reflect his/her true experience exactly.
  • 辻 竜平; 針原 素子
    社会学研究 東北社会学研究会 (84) 69 - 102 0559-7099 2008
  • 辻 竜平
    Bulletin of psychology 明治学院大学心理学会 (17) 1 - 8 1880-2494 2007/03
  • 辻 竜平
    Bulletin of the Meiji Gakuin, Institute for Psychological Research 明治学院大学心理学部付属研究所 (4) 51 - 56 1349-9939 2006/03
  • Itaru Ishiguro; Ryuhei Tsuji
    SOCIOLOGICAL THEORY AND METHODS JAPANESE ASSOC MATHEMATICAL SOCIOLOGY 21 (2) 295 - 312 0913-1442 2006 
    The purpose of this study is to examine the validity and possible measurement bias of the number of acquaintances registered on the "address book" of cellular phones (address book size) as the index of the size of personal network using national survey data. The first objective is to reveal who uses address book and results showed that 1) only 60 percent of respondents uses address book, 2) the utilization rate is higher when the respondents are younger, highly educated, having high income, or living in urban areas. Respondents' age and income has stronger impact on the utilization than the other factors. The second objective is to examine the external validity of address book size as the index of the size of personal network. Result shows that the estimate of telephone book method positively correlates with address book size. The correlations are stronger when the respondents are living in urban areas. Respondents' age does not moderate the correlation.
  • 辻 竜平
    明治学院大学心理学部付属研究所紀要 明治学院大学心理学部付属研究所 (3) 3 - 14 1349-9939 2005/03
  • 辻 竜平
    明治学院大学心理学紀要 明治学院大学心理学会 (15) 55 - 61 1880-2494 2005/03
  • TSUJI Ryuhei; WATANABE Tsutomu
    Sociological Theory and Methods Japanese Association For Mathematical Sociology 19 (1) 17 - 20 0913-1442 2004
  • R Tsuji; M Harihara
    SOCIOLOGICAL THEORY AND METHODS JAPANESE ASSOC MATHEMATICAL SOCIOLOGY 18 (1) 15 - 31 0913-1442 2003 
    How often does it happen for those who meet for the first time to have an acquaintance in common? To solve this problem, we need to know the population of the society, the acquaintanceship volume, and the degree of overwraps among the acquaintances. Those problems are altogether called 'the small world problems.' Watts et al. (Watts and Strogatz 1998; Watts 1999) built a simulation, in which they varied the randomness of the network from regular to random, and observed when the small world phenomenon occurred. This simulation is applicable to a wide range of problems. In this paper, the finding in the anonymous one-shot PD game in small groups - the more transitivity in trust relation, the more cooperation - is applied to the macro or society level by using Watts' et al.'s simulation. We find that (I) as the size of the group or society increases, (2) as the number of trustee decreases, or (3) as the randomness of the trust networks increases, then the transitivity declines, which means that in such a case the cooperation ratio declines or the maintenance of social order becomes difficult. Based on this finding and the difference of the acquaintanceship volumes in Japan and US, we discuss the kinds of network structure developed in Japan and US to maintain the social order.
  • R Tsuji
    JOURNAL OF MATHEMATICAL SOCIOLOGY TAYLOR & FRANCIS LTD 26 (1-2) 17 - 34 0022-250X 2002 [Refereed]
     
    Friedkin and Johnsen's interpersonal influence model (Friedkin, 1999; Friedkin and Johnsen, 1999) does not specify the mechanism of social influence, how they affect each other. I introduce some social psychological theories and bring those into Friedkin's model so that the emergence of social influence through the social psychological process is clearly described. At the same time, the possibility of reactance against the persuasion is introduced. Reactance plays a role for the people in the group to have similar but not identical attitudes.
  • TUJI Ryuhei
    認知科学 = Cognitive studies : bulletin of the Japanese Cognitive Science Society 日本認知科学会 8 (4) 454 - 465 1341-7924 2001/12
  • R Tsuji
    SOCIOLOGICAL THEORY AND METHODS JAPANESE ASSOC MATHEMATICAL SOCIOLOGY 16 (2) 253 - 259 0913-1442 2001 
    Social network analysis in Japan is biased toward personal network research. More attention should be paid to structurally oriented researches. Social Network Analysis by Wasserman and Faust is a great textbook for learning structural analysis. However, this textbook is not totally exhaustive, and there have been further developments in social network analysis since this textbook was published. By looking over those aspects, I attempt to clarify the position of the book within social network analysis.
  • R Tsuji
    SOCIOLOGICAL THEORY AND METHODS JAPANESE ASSOC MATHEMATICAL SOCIOLOGY 15 (1) 197 - 208 0913-1442 2000 
    Three aspects must be concerned when we deal with structuring of groups. One is the kind of relations (e.g., friendship, trust); another is the form of structure (e.g., symmetry, transitivity) and their measures; and the last is the discrepancy between the values of the measures from the values in random states. In this article, we deal with trust relation inside the groups, and investigate their density, symmetry, and transitivity. Then, we compare structural variables with variables from an anonymous one-shot prisoner's dilemma game, One of our findings shows that as the transitivity of trust relation in groups becomes higher, the subjects' cooperation ratio also becomes higher. However, higher transitivity does not help the subjects improve the accuracy of their predictions about the other subjects' behaviors (either to cooperate or defect). This suggests that people rely on the structure of the group but not on each person's trustworthiness.
  • Kosaka Kenji; Tsuji Ryuhei
    Sociological theory and methods 数理社会学会 8 (1) 33 - 50 0913-1442 1993 
    Axelrod's <I>The Evolution of Cooperation</I> (1984) asserts, both from results of computer tournaments he organized and from a mathematical analysis of a model he constructed, that Tit-for-Tat is a powerful strategy. However, the conceptual scheme on the basis of which he computed the expected value has some theoretical flaws. The present paper attempts to re-formulate his conceptual scheme by the introduction of the notion of 'inbreeding bias' which is now nicely treated in literature of social networks, and by dropping the idea of 'discount parameter' which we see does not fit into the problems of collective stability of a certain strategy. We find that Tit-for-Tat remains somewhat strong under our re-formulation, but is so only under some restricted conditions.

Books etc

MISC

Awards & Honors

  • 2015/03 日本NPO学会 優秀賞
     『ソーシャル・キャピタルと格差社会』 
    受賞者: 辻竜平
  • 2011/09 日本社会心理学会 奨励論文賞
     「地域コミュニティによる犯罪抑制：地域内の社会関係資本および協力行動に焦点を当てて」 
    受賞者: 高木大資;辻竜平;池田謙一

Research Grants & Projects

  • Inheritors of Traditional Japanese Culture: Focusing on the social class, social stratification and social capital of the local community
    Japan Society for the Promotion of Science：Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)
    Date (from‐to) : 2020/04 -2023/03 
    Author : 辻 竜平; 濱崎 友絵; 茅野 恒秀; 相澤 真一
  • The Structural and Dynamic Effects on Social Networks of the School-to-Work Transition in the Era of Globalization
    Japan Society for the Promotion of Science：Grants-in-Aid for Scientific Research Challenging Research (Exploratory)
    Date (from‐to) : 2019/06 -2022/03 
    Author : 相澤 真一; 高橋 かおり; 辻 竜平
  • 日本人の社会関係と、社会関係に関わる価値観の分布形状の時系列変化を捉える
    日本学術振興会：科学研究費助成事業 基盤研究(A)
    Date (from‐to) : 2019/04 -2022/03 
    Author : 石黒 格; 辻 竜平; 清水 裕士; 福島 慎太郎
  • Japan Society for the Promotion of Science：Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)
    Date (from‐to) : 2015/04 -2018/03 
    Author : GENJI Keiko; WAKITA Aya; SAITOH Tomohiro
     
    The aims of this research project are to update occupational prestige scores and to construct a new scale of social status by using data of the 2016 Social Status Survey. The main findings are as follows: (1) There are considerably high correlations in the occupational hierarchy by subsamples, (2) The robustness and reliability of the occupational prestige scores are reinforced, (3) Some occupational prestige scores with gender, employment status or company size were different from original occupational prestige scores. The construction of new scale (multi-dimensional social status scale) for prestige and socioeconomic status is urgent matter.
  • Japan Society for the Promotion of Science：Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)
    Date (from‐to) : 2012/04 -2015/03 
    Author : KOBAYASHI Jun; YAMADA Masahiro; KANAI Masayuki; TSUJI Ryuhei; SENDA Yuki; WATANABE Daisuke; SATO Yoshimichi; TSUTSUI Junya; TANIMOTO Naho
     
    This project investigates how people proceed from love to marriage to child bearing by collecting quantitative data. It is supposed to clarify inequalities in family formation. For this purpose, we hypothesize that strong networks will accelerate family formation processes. In the first year, we conducted a pilot survey "2013 National Survey on Family Formation and Career Formation in Japan" with 4,993 respondents (aged from 20 to 69). In the second year, "2014 Pretest on Family Formation and Career Formation in Japan" was conducted with 204 respondents. In the final third year, we collected data in "2015 National Survey on Family Formation and Career Formation in Japan" with 12,007 respondents.
  • Japan Society for the Promotion of Science：Grants-in-Aid for Scientific Research Grant-in-Aid for Challenging Exploratory Research
    Date (from‐to) : 2011 -2013 
    Author : TSUJI Ryuhei; HASEGAWA Koji; AIZAWA Shinichi; KOIZUMI Motohiro; KAWAMOTO Ayaka
     
    The association between cultural capital and social capital were examined by means of two social surveys in a classical music festival. Besides, the attitude of art for arts' sake, and the social identity and mental health, of the audience were examined. Mainly, two social survey was conducted. One is the survey for general audience in "Saito Kinen Festival, Matsumoto (SKF)" and the other is the survey for junior high school students who attended the student program of SKF. The latter enabled us to examine the association described at the beginning in the middle of developmental process. As a result, we found the strong association between the initial contact to classical music and the preference in classical music, and the strong association between the initial contact and the participation and evaluation of their community.
  • Japan Society for the Promotion of Science：Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)
    Date (from‐to) : 2010 -2012 
    Author : YAMAKI Kazushige; HIYANE Akira; FUJISAKI Hiroyuki; SHIBASAKI Shigemitsu; HAYASHI Masahide; CHINO Tsunehide; KANAZAWA Yusuke; TSUJI Ryuhei
     
    This study examined the role of social network for establishing an environmentally-sound industry and area, focusing on Kuzumaki Town in Iwate as a case. As a result, a dense networks between the present town mayor, leaders in joint public-private ventures and forest association in the town existed. In addition, a dense network around the former town mayor was found in the period when the former town mayor was in his position. We concluded that a highly centralized network with successive town mayor has been sustained a bonding network existed between the leaders of joint public-private ventures and forest association, which contributed to the development in Kuzumaki Town.
  • Japan Society for the Promotion of Science：Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)
    Date (from‐to) : 2010 -2012 
    Author : TSUJI Ryuhei; IMADA Takatoshi; KAGOYA Kazuhiro; KANAI Masayuki; KANAZAWA Yusuke; KOBAYASHI Jun; FUKUSHIMA Yasuhito; SATO Yoshimichi; HAMADA Hiroshi; FUJIYAMA Hideki; MAEDA Tadahiko; MISUMI Kazuo; YOSANO Arinori; WATANABE Tsutomu
     
    We examined the effects of economy and policy of local government which create disparity among regions, upon disparity among individuals. In the main survey, we examined the effects by looking atthe relation between the cities’/villages’ health policy and the difference of health among individuals. As a result, participation in hobby and entertainment activities encourages people to take health services. Participation in local regional activities also encourages them to do so, but the effect is larger in cities/villages with weaker financial capability.
  • 中越地震前後のパネル調査による災害時対人サポートネットワークの検討
    日本学術振興会：科学研究費助成事業 萌芽研究
    Date (from‐to) : 2005 -2007 
    Author : 辻 竜平
     
    2007年度は,6回にわたり旧栃尾市の中越地震の被災地を訪問し,2005年以来継続的に視察を行っている地域数カ所において,地域の祭りや行事などの現地視察と,区長や住民(従来と同じ人々)に対するインタビューを行った.また11月には,旧栃尾市の全85区の区長に対して郵送法による区長調査を実施した,区長調査は2005年より毎年行っているものの3回目であった.2007年度の区長調査では,前年からの各区の変化について問うとともに,特に,中越地震の復興基金の対策の1つである「地域復興デザイン策定支援」の,各区における これらの調査により,2005年の調査開始時点からの変化を質的・量的に捉えることができると考えられ,現在もこれらのデータについて分析中である. 本研究は,全体として,震災に伴うネットワークやソーシャル・サポートの変化と,それに伴う信頼感を含めたソーシャル・キャピタルの変化などに関心があるが,3年間を通じて,一通りのデータは集められたと考えている.2007年度には,2006年に収集したデータについて,3つの学会発表を行った(東北社会学会,日本社会学会,日本社会心理学会).2008年度以降も,2007年度およびそれ以前に収集したデータの分析を重ねながら,震災時のサポートに関わる知見を一般に向けて公開していくとともに,ネットワーク理論に関わる研究につい 3年間全体としては,データはおよそ予定どおりに集められたという点では計画どおりであった.しかし,個人のプロジェクトとしては,データ収集および一部の分析の発表だけで精一杯であった.分析については,まだすべきことが残されており,今後,しっかりと分析し成果を発表していく必要がある。
  • Evolutionary Game Theoretical Approach for Order Problem
    Japan Society for the Promotion of Science：Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)
    Date (from‐to) : 2002 -2004 
    Author : OURA Hirokuni; UMINO Michio; KANAI Masayuki; FUJIYAMA Hideki; SUDO Naoki; SICHIJO Tatuhiro
     
    In this research project, we extended the idea of selective interaction of Orbel & Dawes (1991), and examined whether cooperative action can gain higher profit than non-cooperative action by selective movement between groups. First, we examined this by mathematical model and computer simulation. It showed that when the share of cooperative type is large enough, selective movement and cooperative strategy can gain higher profit than other strategies. Next, we conducted social dilemma experiments in which subjects can change their group. The results of the experiments show that cooperative players tend to escape from non-cooperative players and non-cooperative players have a tendency that they do not move while there are some cooperators in their group but they begin to move when there are no cooperators. This result shows that cooperative players have more tendency for selective movement than non-cooperative players. In order to compare the results of laboratory experiments with date of actual society, we carried out a social research about job change. In this result, correlation between cooperative tendency and job change action or a job change intention was observed. It is conformable with the experimental result As for methodology, evolutionary game theory and multi-agent models are thought to be important for micro-macro analysis in sociology. But our methodological analysis showed that N person prisoner's dilemma game, which we mainly examined this time, was too narrow as formulization of social dilemma, so it is better to define a cooperation situation as large game classes including N person chicken game. Research of selective movement in such general cooperative situation of is a future subject.
  • 社会的位置と自己呈示
    日本学術振興会：科学研究費助成事業 若手研究(B)
    Date (from‐to) : 2001 -2002 
    Author : 辻 竜平
     
    本年度は、特に「小さな世界(small world)問題」の観点から、村落に見られるような小さくて密度の高いネットワークと、都市に見られるような大きくて境界がはっきりせず密度の低いネットワークにおける、人々の自己呈示について理論的・実証的研究を行った。 理論については、ネットワークの構造によって、自己卑下的な自己呈示をする程度に違いがあることを示し、それに加えて、テンニースのゲマインシャフトとゲゼルシャフトの概念を問い直し、また、山岸俊男の信頼の解放理論を再検討した。信頼の解放理論については、ある限られたネットワーク構造の場合のみ成立することを示し、この理論の一般性には問題があることを発見した。また、これらの研究過程で、日本人の知人数の推定が必要となり、その測定法を工夫した。 さらに、これらの理論を検証するため、2002年5月〜6月にかけて、新潟県栃尾市(村落部を多く含む)と東京都板橋区における村落-都市の比較調査を行い、理論を検証した。その結果、ネットワーク構造が近隣の親族の中で密な場合に、自己卑下的な傾向が高いことが検証された。また、信頼の解放理論に関しては、都市部と村落部で一般的信頼感に差がないことを示し、小さな世界をもとにしたわたしの理論の方が、部分的には妥当性が高いことが示された。しかし、この調査は地点を有意抽出したために、統計的分析において、各種不都合があることから、2月〜3月にかけて、千葉県を対象とし、その中の都市部と村落部をクラスター分析によって抽出し、その中から、ランダムに3市区町村ずつ(都市部:千葉市中央区・柏市・松戸市、村落部:銚子市・小見川町・一宮町)を抽出して調査を行った。現在、その結果について分析中である。
  • 地域社会
  • 社会関係資本論
  • 社会意識
  • 協力行動
  • Urban and Rural Communities
  • Social Capital
  • Social Attitude
  • Cooperative Behavior

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