
Don A. Moore
A research-based guide to balancing confidence and humility for better decisions and success.
The book includes a fascinating exercise where readers estimate 90% confidence intervals for trivia questions, illustrating common overprecision.
Section 1
7 Sections
Imagine standing at a crossroads, the early morning sun casting a gentle glow over the mountains ahead. You hold a scale in your hand, weighing not gold or silver, but something far more precious—your confidence. What exactly is this confidence? Is it the loud bravado of a boastful voice, or something quieter, more measured?
We often hear advice to 'just be confident,' as if confidence were a switch to flip. But this oversimplifies a complex process. Confidence can be broken down into three distinct forms: estimation, placement, and precision. Estimation is your assessment of how good you are at a task or how likely you are to succeed. Placement compares your abilities to those of others—do you see yourself as above average, average, or below? Precision reflects how sure you are that your beliefs and estimates are correct.
Consider a student who believes she will ace an exam because she feels capable. If she overestimates her preparation, she may be setting herself up for disappointment. Similarly, someone who thinks they are better than most at driving, despite frequent accidents, suffers from overplacement. And a person who is absolutely sure about a belief without sufficient evidence exemplifies overprecision.
But confidence is not just about self-assessment. It is deeply tied to competence. When ability and confidence align, we see the power of well-calibrated confidence—bold, yet grounded. Without competence, confidence becomes reckless, like stepping onto a tightrope without a safety net.
In this journey through confidence, we will explore how to find the middle way—between the extremes of overconfidence and underconfidence—so that your inner scale balances truth with belief. This balance will guide you to better decisions, richer relationships, and a more fulfilling life.
As we move forward, we will uncover the biases that cloud our judgment and learn how to see ourselves and the world more clearly. Let us now step into the shadows where these biases lurk and illuminate them with understanding.
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Discover the hidden dynamics of confidence that shape every decision you make and learn how to master the art of perfectly calibrated confidence for a better life.
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