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Network Analysis

Report

Protecting the Most Vulnerable by Vaccinating the Most Active

The debate between protecting vulnerable people and stopping the spread of the coronavirus might be a false choice. Evidence suggests that vaccinating people with many contacts may provide more protection for the vulnerable than vaccinating vulnerable people directly.

Feb 15, 2021
Report

China's Propensity for Innovation in the 21st Century

China aspires to be a major creator of new technologies and novel value-adding applications for those that already exist. How far will China be able to go toward achieving this goal? And what information is needed to better understand China’s propensity for innovation?

Dec 3, 2020
Journal Article

A Pilot Test of Game Changers, a Social Network Intervention to Empower People with HIV to Be Prevention Advocates in Uganda

We developed and conducted a pilot test of Game Changers, a 6-session group-based intervention that aims to empower people with HIV to be agents for HIV prevention by initiating conversations about HIV with social network members.

Aug 7, 2020
Report

Detecting Malign or Subversive Information Efforts over Social Media

The United States has a capability gap in detecting malign or subversive information campaigns in time to respond before they influence large audiences. A novel method can now detect these efforts.

Mar 16, 2020
Journal Article

An Artificial Intelligence/Machine Learning Perspective on Social Simulation: New Data and New Challenges

We review issues of data infrastructure and artificial intelligence for social and behavioral modeling. Among the newer machine learning methods,adversarial training and fuzzy cognitive maps have particular unrealized potential.

Jun 11, 2019
Journal Article

A Simulation Assessment of Methods to Infer Cultural Transmission on Dark Networks

This study uses a comprehensive set of simulations to test three statistical approaches commonly used to infer social transmission of beliefs, behaviors, or information on illicit networks.

Oct 18, 2018
Report

How Police Could Use Social Media and Social Network Analysis

Social media and social network analysis could help law enforcement monitor for safety threats, identify those at high risk for involvement in violence, and investigate crimes and crime networks. But computer security, privacy, and civil rights protections must be in place before using these tools.

Jul 18, 2018
Journal Article

Comparing Networked and Linear Risk Assessments: From Theory to Evidence

Assessing whether networked risk assessments match the actual cascades that occur during disasters can provide a process for further refinement of assessment tools by uncovering their strengths and weaknesses.

Jul 10, 2018
Tool

A Manual for Cultural Analysis

Many academic disciplines have formally theorized culture as socially learned information that can influence beliefs and behaviors. This tool combines methods from anthropology and related areas to create a manual to examine cultural data.

Jul 9, 2018
Report

A Social Network Analysis and Qualitative Assessment of Partnerships for Million Hearts®

This report examines the partnerships developed in Million Hearts, defines the practices and approaches to cardiovascular disease prevention that occurred as a result of the program, and provides suggestions for future Million Hearts activities.

Jun 20, 2018
Journal Article

A Pilot Test of a Motivational Interviewing Social Network Intervention to Reduce Substance Use Among Housing First Residents

Helping formerly homeless people identify members of their social network who trigger alcohol and other drug (AOD) use may motivate them to reduce high-risk AOD use in the transition to permanent housing.

Feb 9, 2018
Report

The Global Landpower Network: Recommendations for Strengthening Army Engagement

The U.S. Army's global landpower network concept integrates, sustains, and advances the Army's efforts to meet U.S. national security guidance emphasizing the importance of working closely with partner nations to achieve U.S. strategic objectives.

Aug 21, 2017
Report

A General Agent-Based Model of Social Learning

This report describes a general agent-based model (ABM) for studying social learning, and uses that general ABM to explore the relationship between micro-influence and macro-dynamics for broad classes of problems.

Mar 31, 2017
Dissertation

Tweeting About Mental Health: Big Data Text Analysis of Twitter for Public Policy

Examines conversations and attitudes about mental health in Twitter discourse.

Mar 20, 2017
Journal Article

Social Networks in Health Care Teams: Evidence from the United States

Health care teams could use social network analysis study findings to adjust team structures to help facilitate information exchange, promote collaboration, and improve team performance and patient outcomes.

Sep 20, 2016
Report

Examining ISIS Support and Opposition on Twitter

ISIS uses Twitter to inspire followers, recruit fighters, and spread its message. Its opponents use Twitter to denounce the group. An analysis of the communities opposed to ISIS suggests inroads for influence that the U.S. government's social media strategy should explore.

Aug 16, 2016
Journal Article

Shared Cultural History as a Predictor of Political and Economic Changes Among Nation States

Political and economic risks arise from social phenomena that spread within and across countries. Regime changes, protest movements, and stock market and default shocks can have ramifications across the globe.

Jun 6, 2016
Journal Article

A Computer-Assisted Motivational Social Network Intervention to Reduce Alcohol, Drug and HIV Risk Behaviors Among Housing First Residents

This pilot study will assess whether coupling social network visualizations with motivational interviewing can help Housing First participants transition away from homelessness and high-risk behaviors, such as substance use and risky sexual activity.

Mar 29, 2016
Journal Article

Health Implications of Social Networks for Children Living in Public Housing

This study examines the health composition of the social networks of children living in subsidized housing within market rate developments.

Dec 3, 2015
Journal Article

Befriending Risky Peers: Factors Driving Adolescents' Selection of Friends with Similar Marijuana Use

Adolescents often befriend peers who are similar to themselves on a range of demographic, behavioral, and social characteristics, including substance use.

Mar 17, 2015

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