Group Polarization Theory

The Psychology of the Internet

Patricia Wallace’s The Psychology of the Internet provides a comprehensive research‑based overview of how online environments shape human behavior, emotions, and social interaction across contexts such as impression formation, group dynamics, aggression, attraction, altruism, privacy, gaming, development, and gender. The book integrates classic and contemporary psychological research to explain why people behave differently online and how those behaviors both reflect and inform social life on the Internet.

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The Law of Group Polarization

Sunstein explores how deliberation among like-minded individuals tends to amplify their preexisting views, a phenomenon he terms group polarization. He proposes that this effect is not just a quirk of psychology but a reliable pattern with implications for law, politics, and public discourse.

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