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Emergence of social cohesion in a model society of greedy, mobile individuals.

ABSTRACT: Human wellbeing in modern societies relies on social cohesion, which can be characterized by high levels of cooperation and a large number of social ties. Both features, however, are frequently challenged by individual self-interest. In fact, the stability of social and economic systems can suddenly break down as the recent financial crisis and outbreaks of civil wars illustrate. To understand the conditions for the emergence and robustness of social cohesion, we simulate the creation of public goods among mobile agents, assuming that behavioral changes are determined by individual satisfaction. Specifically, we study a generalized win-stay-lose-shift learning model, which is only based on previous experience and rules out greenbeard effects that would allow individuals to guess future gains. The most noteworthy aspect of this model is that it promotes cooperation in social dilemma situations despite very low information requirements and without assuming imitation, a shadow of the future, reputation effects, signaling, or punishment. We find that moderate greediness favors social cohesion by a coevolution between cooperation and spatial organization, additionally showing that those cooperation-enforcing levels of greediness can be evolutionarily selected. However, a maladaptive trend of increasing greediness, although enhancing individuals' returns in the beginning, eventually causes cooperation and social relationships to fall apart. Our model is, therefore, expected to shed light on the long-standing problem of the emergence and stability of cooperative behavior.

SUBMITTER: Roca CP

PROVIDER: S-EPMC3136269 | biostudies-literature | 2011 Jul

REPOSITORIES: biostudies-literature

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Emergence of social cohesion in a model society of greedy, mobile individuals.

Roca Carlos P CP Helbing Dirk D

Proceedings of the National Academy of Sciences of the United States of America 20110627 28

Human wellbeing in modern societies relies on social cohesion, which can be characterized by high levels of cooperation and a large number of social ties. Both features, however, are frequently challenged by individual self-interest. In fact, the stability of social and economic systems can suddenly break down as the recent financial crisis and outbreaks of civil wars illustrate. To understand the conditions for the emergence and robustness of social cohesion, we simulate the creation of public ...[more]

PMID: 21709245

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Project description:ObjectivesTo evaluate the psychometric properties of the Hong Kong version of Neighbourhood Cohesion Instrument (HK-NCI) and examine whether neighbourhood social cohesion as measured using HK-NCI would be associated with evaluative, hedonic and eudaemonic well-being.DesignA validation analysis followed by a cross-sectional analysis of a community-based survey.SettingCommunities in two districts (Sha Tin and Tai Po) in Hong Kong.Participants301 community-dwelling Chinese men and women aged 60 years and older normally residing in Sha Tin or Tai Po for not less than six consecutive months at the time of participation in the study were interviewed.MeasurementsNeighbourhood social cohesion was measured using the 15-item HK-NCI. The Social Cohesion Scale (SCS) and the Brief Sense of Community Scale (BSCS) were administered for assessing the validity of the HK-NCI. Evaluative (life satisfaction), hedonic (feelings of happiness) and eudaemonic well-being (sense of purpose and meaning in life) were examined. Socio-demographic characteristics, lifestyle and health behaviours, medical history, and neighbourhood characteristics were used as covariates.ResultsFor homogeneity, internal consistency of HK-NCI (?=0.813) was good. For stability (test-retest reliability), the averages of mean scores of the 15 items suggested an acceptable repeatability with an intra-class correlation coefficient=0.701(95% CI 0.497 to 0.832). HK-NCI was correlated with SCS (r=0.515-0.635, p<0.001) and BSCS (r=0.500-0.612, p<0.001). Neighbourhood social cohesion was positively and independently associated with life satisfaction, feelings of happiness and sense of purpose and meaning in life (all p values <0.05). Stratified analyses indicated that neighbourhood social cohesion was more strongly associated with all dimensions of subjective well-being in 'young-old' subgroup, and with sense of purpose and meaning in life for women.ConclusionThe HK-NCI has adequate levels of internal consistency and test-retest reliability. In addition, higher levels of neighbourhood social cohesion were associated with better subjective well-being among older Chinese people.

Project description:Integrating theory and research on persuasion, moralization, and intergroup relations, the present research aims to highlight the far-reaching impact of health-related persuasion on society. I propose that governments' health-related persuasion leads to the emergence of new social norms, and in particular moral norms. Importantly, moral norms provide strong behavioral imperatives and are seen as binding for group members. This suggests that moralized persuasion has a strong potential to divide society along the lines of citizens who conform to and citizens who deviate from health-related moral norms. Thus, departing from the traditional focus on targets of persuasion, the present research focuses on those holding a moralized view on health and lifestyle. Key aspects of social cohesion as defined by the OECD (2011) have been tested across four studies. The main hypothesis tested is that those conforming to the norm (e.g., non-smokers, normal weight people, people with healthy lifestyles) will stigmatize those deviating from the norm (e.g., smokers, overweight people, people with unhealthy lifestyles). Flowing from stigmatization, less inclusion, lower solidarity with and greater endorsement of unequal treatment of those deviating from the moral norm are predicted. Four survey studies (total N = 1568) examining the proposed associations among non-smokers, normal weight people, and employees with healthy lifestyles are presented. The studies provide unanimous support for the hypothesis, with meta-analysis providing further support for the reliability of the findings. Consistent across studies, social cohesion indicators were negatively affected by health moralization through stigmatization of those deviating from health-related moral norms. Findings highlight an under-acknowledged potential of moralized health-related persuasion to divide society, thereby undermining cohesion and the achievement of important societal goals. In the discussion, limitations and relevant routes for future research are highlighted. Recommendations are derived for policy makers, institutions, employers, and individuals.

Project description:BackgroundSocial cohesion, defined as a glue holding society together, has been found to influence several aspects of human behavior. Social cohesion, being composed of social trust and social participation, is a social factor that may influence sexual behaviors. Unfortunately, studies investigating the influence of social cohesion on sexual behaviors among young people are scarce. This study examined the influence of social cohesion on safe sexual behavior among adolescents in rural Tanzania.MethodsA cross-sectional study was conducted among 403 school adolescents of the Newala district, between May and August 2010. Socio-demographic characteristics, social cohesion (social trust and social participation) and sexual behavior (age at sexual debut, intention to use and reported condom use, number of sexual partners) were obtained through self-administered questionnaires. Data analysis was performed using descriptive statistics and binary logistic regression.ResultsSexual debut at under 13?years of age was reported by 12% of the respondent. A majority (71%) reported multiple sexual partnerships and half of the participants reported to have used a condom at their last sexual encounter. The intention to use a condom was reported by 77% of the respondents. Having multiple sexual partnerships was associated with social trust only (odds ratio: 3.5, 95% CI 1.01-12.3) whereas reported condom use was related with social cohesion (odds ratio 4.8 95% CI 1.66-14.06). Social cohesion, trust or participation was not associated with young age at sexual debut or intention to use a condom. Being a female (odds ratio 2.07 95% CI 1.04-4.12.) was associated with intention to use a condom.ConclusionThis study indicates that social cohesion and socio-demographic factors influence actual behavior performance and behavioral intentions. The findings point to the importance of collecting more evidence on social cohesion and sexual behaviors in different settings and designing interventions that enhance social cohesion among adolescents in order to reinforce positive sexual behaviors.

Dataset Information

Emergence of social cohesion in a model society of greedy, mobile individuals.

Publications

Emergence of social cohesion in a model society of greedy, mobile individuals.

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