Applying SIENA

Methodology ◽  
2006 ◽  
Vol 2 (1) ◽  
pp. 48-56 ◽  
Author(s):  
Christian Steglich ◽  
Tom A. B. Snijders ◽  
Patrick West

We give a nontechnical introduction into recently developed methods for analyzing the coevolution of social networks and behavior(s) of the network actors. This coevolution is crucial for a variety of research topics that currently receive a lot of attention, such as the role of peer groups in adolescent development. A family of dynamic actor-driven models for the coevolution process is sketched, and it is shown how to use the SIENA software for estimating these models. We illustrate the method by analyzing the coevolution of friendship networks, taste in music, and alcohol consumption of teenagers.

2021 ◽  
pp. 002214652110543
Author(s):  
jimi adams ◽  
Elizabeth M. Lawrence ◽  
Joshua A. Goode ◽  
David R. Schaefer ◽  
Stefanie Mollborn

Combining theories of health lifestyles—interrelated health behaviors arising from group-based identities—with those of network and behavior change, we investigated network characteristics of health lifestyles and the role of influence and selection processes underlying these characteristics. We examined these questions in two high schools using longitudinal, complete friendship network data from the National Longitudinal Study of Adolescent to Adult Health. Latent class analyses characterized each school’s predominant health lifestyles using several health behavior domains. School-specific stochastic actor-based models evaluated the bidirectional relationship between friendship networks and health lifestyles. Predominant lifestyles remained stable within schools over time, even as individuals transitioned between lifestyles. Friends displayed greater similarity in health lifestyles than nonfriend dyads. Similarities resulted primarily from teens’ selection of friends with similar lifestyles but also from teens influencing their peers’ lifestyles. This study demonstrates the salience of health lifestyles for adolescent development and friendship networks.


2015 ◽  
Vol 20 (2) ◽  
pp. 253-268 ◽  
Author(s):  
Alison Dahl Crossley

Social networks and interpersonal ties are critical to social movements. They help recruit members, sustain organizations, nourish participants' movement identities, and disseminate information. Scholarship has pointed to the formative role of social media and other information and communication technologies in online and offline mobilization. Questions remain, however, regarding how online social and friendship networks shape social movements. In this article, I draw from literature on social networks, online mobilization, and women's movements to examine the role of online feminist social networks in feminist mobilization. Presenting qualitative data from a racially and geographically heterogeneous group of college feminists, I argue that Facebook and feminist blogs enlarge and nourish feminist networks, create online feminist communities, expand recruitment bases for online and offline mobilization, and increase opportunities for online interaction with adversaries. Finally, I consider generational shifts in the feminist movement, and the broader relationship between friendship networks and online and offline mobilization.


2016 ◽  
Author(s):  
Samuel Stroope

Previous literature argues that social networks influence religiosity, but surprisingly, no studies have used national data of a variety of religious traditions to assess the relationship between embeddedness in congregation-based friendship networks and different dimensions of religiosity. This study uses new national data (Baylor Religion Survey 2007) to estimate models of religious activity (church activities and devotional activities) and of religious belief (supernatural beliefs, biblical literalism, and religious exclusivity). Among U.S. Christians, congregational social embeddedness is a robust predictor of all religiosity outcomes and is among the largest effects in models. These effects are not substantially moderated by religious tradition, although Catholic affiliation attenuates the positive relationship between social embeddedness and church activities. These findings strongly suggest that social sanctions and solidarity rewards within congregational social networks play an important role in heightening religiosity. Religious research would be enhanced by devoting greater attention to the importance of congregational social embeddedness.


2014 ◽  
Vol 35 (2) ◽  
pp. 111-118
Author(s):  
Daniel J. Howard ◽  
Roger A. Kerin

The name similarity effect is the tendency to like people, places, and things with names similar to our own. Although many researchers have examined name similarity effects on preferences and behavior, no research to date has examined whether individual differences exist in susceptibility to those effects. This research reports the results of two experiments that examine the role of self-monitoring in moderating name similarity effects. In the first experiment, name similarity effects on brand attitude and purchase intentions were found to be stronger for respondents high, rather than low, in self-monitoring. In the second experiment, the interactive effect observed in the first study was found to be especially true in a public (vs. private) usage context. These findings are consistent with theoretical expectations of name similarity effects as an expression of egotism manifested in the image and impression management concerns of high self-monitors.


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