Social Network Theory is a sociological concept that studies the relationships between individuals and the groups they form. It is a branch of social psychology that seeks to understand how people interact with each other in social networks, and how these interactions affect their behavior and attitudes.

What Is Social Network Theory?

At its core, Social Network Theory explores the ways in which individual actors, such as people, organizations, or even entire countries, are connected through various forms of relationships. These relationships can take many different forms – from friendships and romantic partnerships to business collaborations and political alliances.

The Basic Concepts of Social Network Theory

One of the fundamental concepts of Social Network Theory is that individual actors are not isolated entities but are instead embedded within larger social networks. These networks are made up of nodes (individual actors) and ties (the relationships between them).

Another important concept is that these networks can have both positive and negative effects on individual actors. For example, being part of a strong social network can provide individuals with valuable resources such as emotional support or access to job opportunities. However, being part of a negative network can also have harmful consequences – for example, if an individual is surrounded by peers who engage in risky behaviors such as drug use or criminal activities.

Key Elements of Social Network Theory

There are several key elements that are fundamental to understanding Social Network Theory:

Applications of Social Network Theory

Social Network Theory has a wide range of applications in fields such as sociology, psychology, anthropology, and even computer science. For example:


In summary, Social Network Theory is a powerful tool for understanding the complex relationships between individuals and the groups they form. By examining the patterns of ties within a network and the resources that individuals can access through these ties, we can gain valuable insights into how social networks influence behavior and attitudes.