Irving L. Janis and Leon Mann Books
Irving L. Janis (1918–1990) was an American research psychologist best known for his theory of groupthink and studies on decision making.
Known for: Decisions About Decisions: The Art of Decision Making
Books by Irving L. Janis and Leon Mann
Decisions About Decisions: The Art of Decision Making
This influential work explores the psychological processes underlying decision making, particularly under conditions of stress and uncertainty. Janis and Mann analyze how individuals and groups evaluate alternatives, manage risk, and cope with the consequences of their choices. The book introduces the concept of 'vigilant decision making' and provides a framework for understanding both rational and maladaptive decision patterns.
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Traditional Models and Their Limitations
Early theories of decision-making portrayed people as perfectly rational agents—calculating probabilities, weighing costs and benefits, and selecting the option that maximized utility. This classical model, elegant in theory, assumed that human cognition operates like a flawless computer. It disrega...
From Decisions About Decisions: The Art of Decision Making
The Core Concept: Vigilant Decision-Making
Vigilant decision-making is our proposed ideal—the process through which an individual or group systematically seeks information, thoroughly evaluates alternatives, anticipates the consequences of each option, and remains responsive to feedback. Vigilance is not about being perpetually nervous or ca...
From Decisions About Decisions: The Art of Decision Making
About Irving L. Janis and Leon Mann
Irving L. Janis (1918–1990) was an American research psychologist best known for his theory of groupthink and studies on decision making. Leon Mann is an Australian social psychologist recognized for his contributions to decision theory and behavioral science.
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Irving L. Janis (1918–1990) was an American research psychologist best known for his theory of groupthink and studies on decision making.
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