Articles tagged with Social Networks
Twitter's US growth relied on media attention and traditional social networks based on geographic proximity and socioeconomic similarity. The site's popularity spread via face-to-face interactions, with early adopters in cities close to Boston and San Francisco.
A study by Dr Matt Barnes found that two-thirds of workers work at unusual times, limiting their leisure time and social interactions. Older people, particularly those living alone, experience poor social relations and social exclusion, with many spending hours alone each day.
Researchers develop an integrated statistical framework to model multiple relationships of different types on a common set of actors. The study found that common factors determined the likelihood of relationship formation, including geographical proximity and online popularity. The model accurately predicted relationships in networks, ...
A new Harvard study found that dynamic social networks encourage cooperation and friendliness, while selfish behavior can lead to exclusion from the group. Players who re-wired their social connections were more willing to form new relationships with generous individuals.
A person-centered approach to healthcare significantly shortens hospital stays by up to one-third while enhancing daily functional capacity. However, the study highlights difficulties in adopting this model due to rigid healthcare structures.
A new study in the Journal of Consumer Research found that lonely individuals behave differently in the marketplace than people with strong social networks. Lonely people prefer minority-endorsed products, but only when their preferences are kept private.
A UC3M study found that Spanish journalists predominantly use Twitter to publish and distribute information, identify trends, and build audience loyalty. However, only a quarter of respondents use Twitter for investigative reporting.
A new study published in Academic Pediatrics reports that adolescents are at heightened risk of alcohol use onset due to their position in the social network. The study found that closer proximity to more popular individuals and larger social networks increase the likelihood of drinking initiation.
A new study by Arizona State University researchers found that women often underestimate the weight of their friends' and family members' opinions on their weight. Despite having supportive loved ones, women are vulnerable to fat stigma due to pervasive mass media messages.
A study by Cornell University researchers reveals that men whose partners have stronger relationships with their closest friends are more likely to experience erectile dysfunction and difficulty achieving orgasm during sex. This phenomenon, known as partner betweenness, undermines traditional masculine values of autonomy and privacy.
Research by Dr. Larry D. Rosen highlights both the benefits and drawbacks of social networking for children, including increased narcissism and anxiety, as well as improved empathy and social skills
Researchers used network science to study swarming behavior in locusts, finding that social interactions play a crucial role in coordinating movements. The study suggests that animals may be creating equivalent social networks to humans, with locusts convincing others to move in the same direction.
New guidelines for social media use in healthcare emphasize education over prescriptive advice. Researchers explore the potential benefits of social networking in breaking down barriers to reform, as seen in a Taiwan case study where the Minister of Health engaged with stakeholders through Facebook.
A study by Penn State researchers found that young adults who are web savvy but lack knowledge about federal government may struggle to participate online. The experiment revealed that participants often failed to find correct government websites, citing obstacles such as general lack of knowledge and limited search engine results.
Spanish researchers have discovered a previously unknown species of plant lice in Madrid, Spain using social network platforms. The discovery highlights the potential for online communities to aid in biodiversity research and monitoring.
Researchers used Facebook to accurately crowdsource data on a fish survey in the Cuyuni River. Almost every fish specimen was identified by experts within 24 hours. The successful crowdsourcing project has implications for future scientific studies.
Researchers in China and Hong Kong found that Facebook usage improves academic and social integration among students. Students reported using Facebook to maintain friendships, share knowledge, and collaborate with peers, suggesting its potential in enhancing learning outcomes.
Homeless kids who use online social networking sites are more likely to have been tested for sexually transmitted infections and better informed about preventing them, despite increased risk of risky behaviors
Researchers are studying how social networks can be leveraged to effectively communicate sustainability science and make informed decisions. By analyzing the structure of social networks, scientists can identify key influencers who can spread information and have a dialogue with them.
The study found significant variations in quality and safety across diabetes social networks, with room for improvement. Researchers recommend increasing moderation, making credentials of moderators visible, and improving privacy policies to protect patients' health information.
Researchers at the University of Minnesota have developed a new approach to analyzing social networking interactions, considering time and space factors. This enables better understanding of leadership emergence, trust changes over time, and migration within communities online.
A recent study published in Nature Neuroscience found that the amygdala's volume is positively correlated with social network size and complexity in adult humans. This link was observed across age groups and genders, suggesting a possible role for the amygdala in regulating human social behavior.
Researchers found that as few as three co-located images at different times and places can predict high probability of two people being socially connected. This study uses Flickr data to demonstrate the power of online data in revealing social ties, with implications for online privacy.
Researchers used the friendship paradox to study the 2009 flu epidemic among 744 students, finding that friends of central members were more likely to get sick earlier. This method can predict epidemics before they spread widely, allowing for an earlier and more effective response.
A new study by MIT researcher Damon Centola found that people are more likely to adopt new health practices in networks with dense clusters of connections, rather than those with long ties. In the study, individuals in clustered networks were four times more likely to register for a health forum and participate regularly.
A Harvard University study found that small changes in perceived vaccine costs can lead to significant gaps in herd immunity, with social networks playing a crucial role in the spread of disease. The researchers discovered that increasing vaccination cost prompts more free-riding and leads to larger epidemics.
A study by North Carolina State University found that clustered networks of social connections play a key role in diffusing innovation. Opinion leaders within these networks can significantly influence consumer acceptance, with strong connections being crucial for successful adoption.
Researchers found that avatars can portray lifelike and accurate depictions of their creators' personalities within virtual worlds. The study used Second Life as its model, where community members form impressions based on avatar traits, which may accurately match the true personality behind the avatar.
Two University of Arizona studies find that loneliness is a matter of perception and can be linked to poor health. Stress serves a crucial function for lonely individuals, who tend to have fewer close connections and manage daily stressors poorly.
The new center will explore five aspects of social cognitive networks, including dynamic processes, organizational networks, trust, human cognition, and adversarial networks. Researchers will develop mathematical models and analyze the effects of interactions on task performance and decision-making.
Researchers analyzed 52,153 Twitter tweets mentioning antibiotics and found that misinformation can travel rapidly through the network. The study highlights the importance of promoting healthy behaviors and disseminating trustworthy information on social media platforms.
Researchers found that poor sleep patterns influence the spread of adolescent drug use in social networks, with teens at the center of the network being more vulnerable. Healthy sleep habits can have a positive impact on reducing drug use and other behaviors.
Studies found that healthcare personnel are more likely to be vaccinated if their close contact co-workers are vaccinated. A mandatory vaccination policy also significantly improved vaccination rates, with some hospitals increasing participation by over 90%. These strategies hold implications for hospital-based flu vaccination campaigns.
Researchers from UC San Diego and Harvard found that cooperative behavior is contagious and spreads through a social network. When people benefit from kindness, they are more likely to help others, creating a cascade of cooperation.
Research suggests that online social networking sites can facilitate faster information dissemination, provide timely information sources, and re-connect people affected by disasters. However, concerns about technology failure, credibility, and usability issues need to be addressed in developing emergency online networks.
Researchers used pláticas to encourage participants to stockpile water and food, resulting in a 93.3% increase in having water compared to 66.7% with mailers. A family communication plan was also more effective with pláticas, at 70.4%, compared to 42.3%.
Researchers found that lonely people tend to share their loneliness with others, gradually moving to the fringes of social networks. As a result, these individuals become less connected and more isolated.
A new grant will create a national network of scientists enabling faster collaboration and discovery in biomedical research. The VIVOweb project aims to build on the existing VIVO technology, fostering alliances and facilitating access to existing projects.
Landon Cox, a Duke University assistant professor of computer science, is researching peer-to-peer systems that distribute users' personal information across multiple servers. This aims to reduce the risk of data exploitation and provide more control over users' online presence.
A study published in Journal of Cancer Survivorship reveals that chemotherapy-induced cognitive impairment, known as chemobrain, significantly diminishes women's quality of life. Women experience memory loss, difficulty concentrating, and reduced independence, affecting their work and social lives.
The use of Twitter for healthcare communication offers numerous benefits, including fast and easy dissemination of time-critical information such as disaster alerts and drug safety warnings. However, caution is needed to preserve confidentiality and patient privacy in the clinical care setting.
A new study on Tasmanian devil social networks may help prevent the spread of an extinction-threatening disease. The research found that all individuals in a population are connected within a single social network, making it easy for disease to spread.
A widely publicized analysis found a near tripling in reports of Americans' social isolation between 1985 and 2004. However, sociologist Claude S. Fischer questions the findings, citing anomalies in the data and contrary results from other studies. Researchers defending their work argue that Fischer's proposed artifact is not credible ...
Overweight youth are twice as likely to have overweight friends, according to a USC study that found strong social connections contribute to obesity. Researchers also discovered that overweight girls tend to name more friends but be less popular among their peers.
A study on Second Life data reveals that 50% of gestures making their way through the virtual world were transferred between friends, highlighting the role of social networks in influence. The researchers also found that early adopters and influencers tend to distribute assets differently.
Researchers found that 'lead users' with strong social connections are key to developing innovative products, while 'opinion leaders' influence locally. The study analyzed data from 537 Dutch schoolchildren aged 9-11.
Experts explore using social networking tools to identify prior art in patent applications, streamlining the process for the US Patent and Trademark Office. The Peer-to-Patent pilot project demonstrates a promising approach to reducing backlog, with similar initiatives being investigated by UK and European offices.
Studies of virtual world Second Life reveal that teenagers form online friendships with people in their immediate geographic area, and tend to be friends with the friends of their friends rather than strangers. This challenges common assumptions about social networks and highlights how technology can reinforce existing relationships.
Researchers find voluntary vaccination effective in containing outbreaks of diseases like smallpox and SARS due to social network effects. Neighborhood size plays a crucial role in determining the effectiveness of voluntary vaccination programs.
The study found that popularity and likelihood of friends knowing one another are heritable, while location within the network is also genetically linked. This suggests that genes may play a significant role in determining our social connections and behavior.
Researchers found that happiness can spread through social networks like an emotional contagion, benefiting not only friends but also friends' friends and even those three degrees removed. The effect is strongest among close relationships and lasts for up to a year.
A new study by James Fowler and Nicholas Christakis reveals that happiness can spread rapidly through social networks, with happy friends increasing one's chances of happiness by 9 percent. The research also shows that the structure of connections plays a significant role in determining individual happiness.
Researchers found that social networking sites intensify the ability to present oneself in a positive light, allowing users to explore different aspects of their personality. This can lead to increased individualism and narcissism as users sculpt their profiles.
Researchers developed a system that enables users to access location-specific, real-time information from other mobile phone users across the world. The virtual sticky note application combines capabilities of distributed networks, social networks, and geographic positioning technologies.
A study found that smokers tend to quit in groups, with entire clusters of spouses, friends, siblings, and co-workers giving up the habit concurrently. Close relationships within the social network have a significant influence on quitting smoking.
Researchers analyzed 32-year longitudinal data to discover that people quit smoking in network clusters, influenced by education and marginalization. The study suggests that smoking cessation is a social phenomenon, highlighting the interconnectedness of health and social networks.
Research found that quitting smoking is linked to a cultural shift, with groups of spouses, friends, siblings, and co-workers giving up the habit at the same time. Closer relationships have a greater impact on quitting, with education playing a role in influencing behavior.
Researchers developed a technology to spot insider threats using data mining techniques on email interactions. Individuals with latent interests in sensitive topics or those feeling alienated within the organization are potential threats.
A Northwestern University study found that college students' choice of social networking sites is influenced by their race, ethnicity, and parents' education level. The research challenges the common assumption that all college students use Facebook, revealing differences in usage among various groups.
A study by Damon Centola and Michael Macy found that social networks with fewer 'degrees of separation' are less effective in spreading behavioral change. This has implications for health care policy and the treatment of epidemics.