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Sources of Power How People Make Decisions

An exploration of how experienced professionals make rapid, effective decisions in high-stakes, time-pressured environments by leveraging intuition, mental simulation, and other sources of power beyond formal rational analysis.

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What it’s about

Challenging the conventional wisdom that sound decision-making requires a slow, analytical comparison of options, 'Sources of Power' takes you into the real world of firefighters, military commanders, and ER nurses to reveal how experts make tough calls under extreme pressure. Gary Klein introduces the groundbreaking Recognition-Primed Decision (RPD) model, showing that intuition is not a mystical gut feeling but a highly developed form of pattern recognition built from deep experience. Through dozens of gripping stories and case studies, the book demystifies expert judgment and explores the essential sources of cognitive power—including mental simulation, storytelling, and metaphor—that enable people to size up complex situations in seconds and arrive at effective solutions. It's a must-read for anyone looking to understand, trust, and cultivate their own decision-making expertise.

The through-line

Who it’s for
A professional, leader, or specialist who must make high-stakes decisions in complex, time-pressured environments and wants to understand and improve their own intuitive judgment and that of their team.
The problem
The conventional methods for decision-making—weighing pros and cons, comparing multiple options—are too slow and cumbersome for the fast-paced, uncertain situations they actually face. They feel uncertain about trusting their 'gut feelings,' worry about making mistakes under pressure, and are frustrated that their hard-won experience is often devalued by formal processes that prize abstract analysis over practical wisdom.
The plan
  1. Learn the Recognition-Primed Decision (RPD) model to understand how experts really make decisions.
  2. Discover the primary sources of decision-making power: intuition, mental simulation, storytelling, and metaphor.
  3. Apply these insights to develop your expertise, train others, and build more effective teams.
The payoff
The reader becomes a more confident and effective decision-maker, able to trust their trained intuition and rapidly assess complex situations. · They can lead their teams with greater clarity, fostering an environment where experience is valued and developed. · They can design better training programs and systems that support, rather than hinder, expert judgment.

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