Related Experiment Video
Updated: Jun 17, 2026
08:53
Integrating Computerized Linguistic and Social Network Analyses to Capture Addiction Recovery Capital in an Online Community
Published on: May 31, 2019
The Analysis of Social Networks
A James O'Malley1, Peter V Marsden
1Associate Professor of Statistics, Department of Health Care Policy, Harvard Medical School, 180 Longwood Avenue, Boston, MA 02115-5899.
Health Services & Outcomes Research Methodology
|January 5, 2010
Summary
Social network analysis (SNA) offers methods to study relationships in health services. This review covers SNA fundamentals and statistical models for analyzing physician influence networks.
Area of Science:
- Social network analysis
- Health services research
- Statistical modeling
Background:
- Understanding social organization in medicine requires analyzing interdependencies among actors.
- Social network studies have a long history in social sciences, with evolving statistical methods.
- Recent advancements in statistical modeling enhance the analysis of complex network data.
Purpose of the Study:
- To review the fundamentals and recent innovations in social network analysis (SNA).
- To illustrate SNA concepts using a physician influence network as a case study.
- To describe statistical models for network data, focusing on individual-outcome and relational models.
Main Methods:
- Introduction to network data types, basic statistics, and descriptive measures.
- Description of individual-outcome models where networks inform explanatory variables.
- Explanation of relational models where the network is the dependent variable.
Main Results:
- The article provides a comprehensive overview of social network analysis techniques.
- It highlights two primary statistical modeling approaches for network data.
- Challenges in model estimation due to correlated outcomes are discussed.
Conclusions:
- Social network analysis is a valuable tool for understanding health services organization.
- Statistical models offer sophisticated ways to analyze network structures and their impact.
- Further research is needed to address complexities in estimating network models.
Related Concept Videos
01:26Social Exchange Theory
As formulated by John Thibaut and Harold Kelley, Social Exchange Theory explains human relationships as economic-like exchanges that maximize rewards and minimize costs. This theory suggests that individuals engage in relationships to gain benefits and reduce burdens, similar to economic transactions. It has been widely applied to various types of relationships, including romantic, professional, and social interactions.Rewards and Costs in RelationshipsRelationship rewards include emotional...
02:06Social Exchange Theory
We have discussed why we form relationships, what attracts us to others, and different types of love. But what determines whether we are satisfied with and stay in a relationship? One theory that provides an explanation is social exchange theory. According to social exchange theory, we act as naïve economists in keeping a tally of the ratio of costs and benefits of forming and maintaining a relationship with others (Rusbult & Van Lange, 2003).
02:26Protein Networks
An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
02:26Protein Networks
An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
02:12Relationship Formation
What do you think is the single most influential factor in determining with whom you become friends and whom you form romantic relationships? You might be surprised to learn that the answer is simple: the people with whom you have the most contact. This most important factor is proximity. You are more likely to be friends with people you have regular contact with. For example, there are decades of research that shows that you are more likely to become friends with people who live in your dorm,...
01:09Defining Social Psychology
Social psychology investigates how the presence and actions of others influence individual behavior, cognition, and emotion. Examining the social environment's impact provides a scientific framework for understanding how individuals perceive others and are, in turn, influenced by them. This field seeks to uncover the underlying principles guiding social interactions, exploring phenomena such as conformity, obedience, and prosocial behavior.Core Themes in Social PsychologyOne central focus of...