Carl Hovland was a psychologist who conducted extensive research on persuasion, initially for the U.S. Army during World War II and later at Yale University. His work was foundational in developing the Yale attitude change approach.

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Persuasion and social influence constitute a major subfield within social psychology. Persuasion, in particular, is one of the most heavily researched topics in the discipline, providing a wealth of information on how individuals can be influenced by others.

Persuasion and Social Influence as a Field of Study

Spielman, R. M., Jenkins, W. J., & Lovett, M. D. (2020, April 22). Psychology (2nd ed.). OpenStax. https://openstax.org/books/psychology-2e/pages/1-introduction

OpenStax Psychology (2nd ed.) Textbook

Persuasion is the process of changing an individual's attitude toward something based on communication. Unlike attitude change driven by internal factors like cognitive dissonance, persuasion typically involves external forces attempting to influence a person's attitudes, beliefs, and behaviors.

Persuasion

Social influence refers to the power of a social situation to alter an individual's thoughts, feelings, and behaviors. This phenomenon, driven by real or imagined pressure from others, is demonstrated through key topics such as conformity, obedience, and group processes.

Social Influence

Carl Hovland

A team of public health officials wants to design a city-wide campaign to encourage residents to adopt healthier eating habits. The campaign will use various media to present arguments, data, and emotional appeals to shift public attitudes and behaviors. Which area of study within social psychology would provide the most directly relevant theories and research to guide the creation of this effective campaign?

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