Book excerpt: The Encyclopedia of Social Psychology is designed as a road map to this rapidly growing and important field and provides individuals with a simple, clear, jargon-free introduction. These two volumes include more than 600 entries chosen by a diverse team of experts to comprise an exhaustive list of the most important concepts. Entries provide brief, clear, and readable explanations to the vast number of ideas and concepts that make up the intellectual and scientific content in the area of social psychology.