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1.
The network autocorrelation model has become an increasingly popular tool for conducting social network analysis. More and more researchers, however, have documented evidence of a systematic negative bias in the estimation of the network effect (ρ). In this paper, we take a different approach to the problem by investigating conditions under which, despite the underestimation bias, a network effect can still be detected by the network autocorrelation model. Using simulations, we find that moderately-sized network effects (e.g., ρ = .3) are still often detectable in modest-sized networks (i.e., 40 or more nodes). Analyses reveal that statistical power is primarily a nonlinear function of network effect size (ρ) and network size (N), although both of these factors can interact with network density and network structure to impair power under certain rare conditions. We conclude by discussing implications of these findings and guidelines for users of the autocorrelation model.  相似文献   

2.
Although the amount of research on interorganizational networks has increased significantly in recent years, few studies have examined the antecedents to interorganizational network portfolios—organizations’ configuration of their relationship networks with other organizations. To address this gap, this study examines how firms’ interorganizational network portfolios vary across three types of ownership structures (i.e., state-owned, private, and multinational enterprises) in China. Cluster analysis of the data on 212 leading firms operating in China revealed two types of network portfolios firms maintain. Specifically, firms maintaining robust cross-sector portfolios had more extensive networks with organizations in the nonprofit and public sectors than firms maintaining limited cross-sector portfolios. Moreover, regression results suggested that firms across different ownership structures had distinct numbers and types of organizational partners, particularly nongovernmental organization (NGO) partners. Theoretical and practical implications are derived from the findings.  相似文献   

3.
Both gambling and stimulant use are common and can lead to problems on college campuses with consequences that impact the financial, emotional, academic and physical well-being of students. Yet few studies have been conducted to understand the co-occurrence of these conditions and the increased risk factors if any that may exist for gambling and related problems. The present study is among the first to document the co-occurrence of these behaviors in both a random sample of students (N = 4640), and then to explore to what extent stimulant use impacts subsequent gambling and related problems 12 months later in an at-risk sample (N = 199). Results revealed a three-fold higher rate of recent problem gambling for those who used stimulants versus those who had not (11 vs. 4 %). For those already gambling, stimulant use predicted an increased frequency in gambling 12 months later. Implications for prevention and screening are discussed.  相似文献   

4.
Measuring ‘neighborhood’: Constructing network neighborhoods   总被引:1,自引:0,他引:1  
This study attempts to measure neighborhood boundaries in a novel way by creating network neighborhoods based on the density of social ties among adolescents. We create valued matrices based on social ties and physical distance between adolescents in the county. We then perform factor analyses on these valued matrices to detect these network neighborhoods. The resulting network neighborhoods show considerable spatial contiguity. We assess the quality of these aggregations by comparing the degree of agreement among residents assigned to the same network neighborhood when assessing various characteristics of their “neighborhood”, along with traditional definitions of neighborhoods from Census aggregations. Our findings suggest that these network neighborhoods are a valuable approach for “neighborhood” aggregation.  相似文献   

5.
In two studies it is demonstrated that, in the short-term, slot machine gambling increases self-control strength in problem gamblers. In Study 1 (N = 180), participants were randomly assigned to either play slot machines or engage in a control task (word anagrams) for 15 min. Subsequent self-control strength was measured via persistence on an impossible tracing task. Replicating Bergen et al. (J Gambl Stud, doi:10.1007/s10899-011-9274-9, 2011), control condition participants categorized as problem gamblers persisted for less time than did lower gambling risk participants. However, in the slot machine condition, there were no significant differences in persistence amongst participants as a function of their gambling classification. Moreover, problem gambling participants in the slot machine condition persisted at the impossible tracing task longer than did problem gambling participants in the control condition. Study 2 (N = 209) systematically replicated Study 1. All participants initially completed two tasks known to deplete self-control strength and a different control condition (math problems) was used. Study 2 results were highly similar to those of Study 1. The results of the studies have implications for the helping professions. Specifically, helping professionals should be aware that problem gamblers might seek out gambling as a means of increasing self-control strength.  相似文献   

6.
This study seeks to contribute to the growing body of research in crisis communication by exploring how two types of empathy; cognitive empathy and affective empathy, affect organizational reputation and publics’ forgiveness for an organization that is in a crisis. An online three (crisis type: victim vs. accidental vs. preventable) × two (response strategy: rebuilding vs. denial) between-subjects experiment was conducted with 648 participants (N = 648) recruited through Amazon’s research tool MTurk. The results of the study reveal that crisis type affects both cognitive and affective empathy and people are more likely to feel empathetic toward an organization that uses rebuilding strategies than an organization that denies the existence of a crisis. Theoretical and practical implications of empathy on corporate reputation and forgiveness are discussed.  相似文献   

7.
The present study examined the prevalence of disordered gambling behaviours in a community-based sample of adolescents (N = 532) living in eastern central Ontario. Of particular interest was examining the hypothesis that adolescents with learning disorders are at elevated risk for disordered gambling. Rates of disordered gambling in male adolescents with learning disorders were found to be significantly higher than adolescents without learning problems, even after controlling for negative affectivity and ADHD symptomatology. The implications for treatment and intervention of gambling problems in adolescence are discussed.  相似文献   

8.
Due to recent strategic network building among health care partners a more differentiated discussion about the crucial structural and the personal success factors for network building and cooperation is needed. On that note, research has repeatedly emphasized the importance of the network agents’ individual soft skills. At the same time the empirical insights into this research topic are still scarce and the assumed interrelation between an agent’s individual repertoire of skills and his influence on the collaboration remain hypothetical so far. In the present paper we use the construct of so-called “political skills” to empirically test the impact of these skills on how they will contribute to the network members’ success within the cooperation. Using social network analysis the interaction structures between members in a doctors’ network (N = 37) are mapped and related to the individual level of political skills. It can be shown that primarily the dimension “networking ability” contributes to a beneficial role within the cooperation in terms of high prestige and high engagement as perceived by the other network members. In addition, members who scored high on that dimension are more likely to obtain benefits on an individual level (gaining new patients) as well as on a group level (identification with the network). One core implication that derives from the study’s results is the necessity to focus not only on strategic aspects with regard to building and designing health care networks, but also to develop and to foster personal soft-skills.  相似文献   

9.
Missing data are often problematic when analyzing complete longitudinal social network data. We review approaches for accommodating missing data when analyzing longitudinal network data with stochastic actor-based models. One common practice is to restrict analyses to participants observed at most or all time points, to achieve model convergence. We propose and evaluate an alternative, more inclusive approach to sub-setting and analyzing longitudinal network data, using data from a school friendship network observed at four waves (N = 694). Compared to standard practices, our approach retained more information from partially observed participants, generated a more representative analytic sample, and led to less biased model estimates for this case study. The implications and potential applications for longitudinal network analysis are discussed.  相似文献   

10.
Two studies were conducted to assess whether reactance or politeness offers a better explanation of the effectiveness of the “but you are free” (BYAF) technique of gaining compliance. The first was conducted with an online survey in the US (N = 131) and found that the BYAF was associated with lower perceived freedom threat than a control or polite request. The second was a field study and collected data in France (N = 372), Norway (N = 360), and the US (N = 108) to test a 3 (direct request, polite request, or BYAF) × 2 (requester benefits or 3rd party group benefits) design. The BYAF was associated with higher compliance than the other two messages.  相似文献   

11.
Internationally, and also in Europe, adolescent gambling is increasingly recognized as an important public health issue. Most research on adolescent gambling, however, is prevalence-focused and population-based studies are scarce. Few studies have examined gambling-related harms among adolescents. In a national sample, we examined self-experienced harms related to gambling and the relationship between reported harms and gambling behavior among Finnish adolescents. A national survey of 12–18-year-olds was conducted in Finland in 2011 (N = 4,566). Main measures were frequency of gambling and gambling-related harms reported during the past 6 months. The relationship between reported harms and gambling behavior was assessed using logistic regression analysis. Overall, 44% had gambled during the past 6 months. Of the sample, 12% were frequent gamblers (at least weekly) and 32% were occasional gamblers (monthly or less often). Compared to occasional gamblers, frequent gamblers were more likely to experience harms. The most commonly reported harms among frequent gamblers were “felt guilty or shameful due to gambling” (17%) followed by “problems with relationships” (13%) and “disruptions of daily rhythm” (10%). In age and gender-adjusted analysis, daily gamblers were significantly more likely to report all different types of harms when compared to other groups. These findings suggest that when planning and targeting youth gambling prevention and harm reduction strategies the nature and extent to which gambling may contribute to the different types of harms are important to consider.  相似文献   

12.
Egocentric network studies and many general population surveys rely on proxy reports about network contacts of study participants that are asked in name interpreter questions. A central concern is the extent to which proxy reports match the answers these contacts would give themselves if they would be directly interviewed. Based on the theory of survey satisficing, the present research proposes a theoretical framework that allows predicting when proxy reports are likely to match self-reports. Congruence is higher if respondents possess the motivation and ability to answer a proxy question effortfully, and if the task is not too difficult. Moreover, the theory of survey satisficing states that motivation, abilities, and task difficulty are not independent of each other, which provides an explanation for inconsistent findings in the literature. Results from two egocentric network studies study among German adults (N = 756) and among Dutch middle school students (N = 679), in which network contacts were also interviewed, are in line with these hypotheses. Design recommendations for egocentric network studies are provided.  相似文献   

13.

This paper applies social network analysis to three case study social movement organizations based in the north of England: a local Labour Party branch, an environmental group, and a conservation group. Using a postal survey of members, we chart the extent of ties between members of these three groups, indicating how each group has its own internal social dynamics and characteristics that are related to the nature of the movement organizations themselves. We explore how the network structures interrelate with the socio-demographic structure of the membership of the three organizations, and we show there are important differences in the way that core members of the three organizations are recruited compared to those who are either peripheral or isolated. Our paper is the first to analyse the networks of whole populations of case study organizations in the UK, and can therefore be read as developing the potential of social network analysis for case study research and for understanding social movements. Analytically we argue it is important to distinguish two different types of ways that networks are important. They can be seen as offering resources for mobilization, or they can be seen as providing a means of integrating particular types of individuals into organizations. It is this latter sense that offers a more fundamental role for network analysis, and we argue that it offers an important way of developing insights from resource mobilization theory by relating them to Bourdieu's provocative arguments regarding the exclusiveness of the political field.  相似文献   

14.
This article extends Heath's (2006) concept of fully functioning society theory (FFS) and argues that public relations can be used as a force to enhance collective social capital in communities. To serve this purpose, however, the effectiveness of an organization to serve its external publics is often dependent on the status and relationships the public relations function has developed within the organization. This paper provides a network analysis of a government agency in Jordan that illustrates the relationship between internal organizational social capital and the potential problems for establishing external relationships with publics. Implications for public relations research methods and theory are also discussed.  相似文献   

15.
In Germany, just like in most western industrialized countries, the workforce is still highly horizontally as well as vertically segregated: Women generally hold only a small proportion of managerial positions; engineering and computing can still be considered as male domains. In this article we present thetechnology-related self-concept as a new theoretical approach to analyze and understand technology-related attitudes, emotions, and behaviors, especially regarding vocational development. We developed and validated a standardized questionnaire to measure the technology-related self-concept in a differentiated, yet economical manner. To this end, we conducted a comprehensive qualitative (N?=?35) and quantitative (N 1?=?916;N 2?=?1142) study. Results show that the questionnaire possesses good psychometric properties. The reliability coefficients are good. The structure of the questionnaire, as postulated by the theoretical model, could be confirmed by means of confirmatory factor analysis. Correlation and regression analyses showed substantial relations with career success as external criterion. Furthermore, gender differences already known from related work were replicated in our study. Thus, construct and criterion validity can be considered satisfactory.  相似文献   

16.
Although sexual assault prevention education tends to focus on consent promotion as a means to reduce rates of sexual assault, little is known about how college students consent to sexual activity. The current study aimed to better understand college students' consent via the systematic development of the Consent to Sex Scale (CSS), utilizing mixed methods via three phases and two waves of data collection. In Phase 1, qualitative data were collected from college students (n = 185) to provide a foundation for item writing. In Phase 2, closed-ended items were written for a quantitative instrument and reviewed by a team of experts. In Phase 3, a quantitative survey, including items written in Phase 2, was administered to college students (n = 685); the measure was assessed for its psychometric properties. Exploratory factor analysis was utilized, resulting in a five-factor solution. The CSS and corresponding factors demonstrated high internal consistency reliability and expected gender differences, supporting the construct validity of the measure. The CSS assesses college students' cues for indicating consent to sex, a construct not addressed by previous measures. The validated scale may be useful in future research to better understand how consent relates to other behaviors or constructs.  相似文献   

17.
This paper discusses the relationship between corporate volunteering and civic engagement outside the workplace in Russia, proceeding from a mixed-method approach. The quantitative findings are based on a comparison between employees in 37 Russian companies who participated in corporate volunteering (N = 399) and those who did not (N = 402). Using binary logistic regression analysis, we demonstrate that employee participation in corporate volunteering is positively related to four forms of civic engagement outside the workplace: informal volunteering, formal volunteering, formal monetary donation, and informal monetary donation. In addition, we draw on information obtained from interviews with 10 corporate volunteers, as well as with all 37 company corporate volunteering managers, to develop a general explanation for why corporate volunteering might lead to civic engagement. We identify three primary explanations. First, trust in companies can be converted into increased trust in social institutions. Second, corporate volunteering can expose employees to other realities, thereby leading them to rethink their priorities. Third, corporate volunteering socializes employees to volunteering, thus making them more likely to incorporate volunteering into their personal repertoires of activities. Corporate volunteering appears to be an effective mechanism for stimulating civic engagement and volunteering infrastructure in post-communist countries.  相似文献   

18.
In 2010 France enacted a law to regulate supply and consumption of online gambling. Its primary aim was to protect citizens from gambling-related harm. This study aims to assess differences in gambling patterns and related harm between online gamblers who use licensed versus unlicensed sites. Participants (N = 3860) completed a self-administered online survey on gambling practices. Pairwise logistic regressions examined the association between the legal statuses of gambling sites people patronized and demographic variables and gambling types. Multivariate logistic regression models explored associations between gambling patterns and related problems according to the legal status of sites people have gambled on. Overall, 53.7 % of online gamblers report gambling exclusively on licensed sites. Those who bet on regulated activities on unlicensed sites, versus licensed sites, are more likely to be female, younger, less educated, inactive in the labor market and are more likely to perceive their financial situation to be difficult. Gambling on unlicensed sites is associated with more intense gambling patterns and more gambling-related problems compared to licensed sites. Findings demonstrate that gambling activities carried out on state licensed sites are associated with less overall harm to gamblers. Implications of these findings on future policy are discussed and prospective research directions are outlined.  相似文献   

19.
Using data from the 2011 National Survey of Midlife Development in the United States Refreshed Sample (N?=?980), this paper examines how three types of spousal problems—poor physical health, poor mental health, and behavioral disorders—are related to respondents’ family-to-work conflict (FWC) among employed adults aged 25–61. Results suggest that all three types of their spouses’ problems were related to respondents’ higher FWC, with their spouses’ poor mental health having the strongest association. These associations were not significant after controlling for respondents’ role overload, financial strain, and relationship strain. There were few variations by respondents’ gender and parental status in these associations. Relationship strain played the primary role as a mediator, which was stronger for men than women. These findings support the idea of stress proliferation, suggesting that one’s problems can be linked to a series of other stressors including one’s spouse’s FWC.  相似文献   

20.
Based on the works of Doreian [Doreian, P., 2006. Actor network utilities and network evolution. Social Networks 28, 137–164] and Xie and Cui [Xie, F., Cui, W., 2008b. A note on the paper ‘cost range and the stable network structures’. Social Networks 30, 102–103], the paper applies exhaustive search and inductive approaches to analyze possible transitions among isomeric social networks with five vertices. A total of seven types of stable network structures are identified, which include the complete, star, chain, cycle, near-chain, near-cycle and null graphs. Then, a modified theorem for the equilibrium forms which corrects the previous work is presented.  相似文献   

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