What is *Perfectly Confident* by Don A. Moore about?

*Perfectly Confident* explores how to balance confidence by aligning self-assessment with reality. Don A. Moore combines psychology and behavioral economics to show how overconfidence leads to reckless decisions, while underconfidence causes missed opportunities. The book offers tools like feedback loops and statistical reasoning to calibrate confidence wisely, helping readers make better choices in careers, relationships, and personal growth.

Who is Don A. Moore, the author of *Perfectly Confident*?

Don A. Moore is a UC Berkeley Haas School of Business professor specializing in decision-making and leadership. With a PhD from Northwestern University, he co-led the U.S. government-funded Good Judgment Project and has authored multiple books on behavioral economics. His research focuses on overconfidence, negotiation, and risk assessment.

Who should read *Perfectly Confident*?

The book is ideal for professionals, leaders, and students seeking to improve decision-making. It’s valuable for anyone struggling with self-doubt or overestimating abilities, offering actionable strategies to navigate career challenges, negotiate effectively, and pursue realistic goals.

Is *Perfectly Confident* worth reading?

Yes—it’s a research-backed guide that challenges generic self-help advice. Moore’s blend of academic insights, real-world examples, and practical tools makes it a standout resource for understanding how to harness confidence without falling into extremes of arrogance or timidity.

What is confidence calibration in *Perfectly Confident*?

Confidence calibration involves aligning your self-assessment with objective reality. Moore explains how to avoid overestimating skills (e.g., taking unrealistic risks) or underestimating potential (e.g., avoiding opportunities). Techniques include seeking feedback, analyzing past performance, and using probabilistic thinking.

How does overconfidence affect decision-making according to Don A. Moore?

Overconfidence leads to poor decisions, such as pursuing unattainable goals or ignoring risks. Moore cites examples like failed business ventures and misguided investments, showing how inflated self-belief distorts judgment. He advises grounding confidence in data and external feedback.

What are the risks of underconfidence discussed in *Perfectly Confident*?

Underconfidence results in missed opportunities, such as not applying for promotions or avoiding challenges. Moore argues excessive humility can hinder growth, urging readers to recognize their capabilities while staying open to improvement.

What practical tools does *Perfectly Confident* offer for adjusting confidence?

Key tools include: - **Self-reflection exercises** to assess strengths and weaknesses. - **Feedback loops** from peers or mentors. - **Statistical reasoning** to evaluate probabilities objectively. These methods help readers refine confidence levels for smarter decisions.

L’excès de confiance

Comment calibrer vos décisions avec sagesse

Don A. Moore

3.66(294 Reviews)

Aperçu de L’excès de confiance

Découvrez pourquoi l'excès de confiance détruit les carrières tandis que le manque de confiance tue les opportunités. Le chef-d'œuvre du professeur de Berkeley Don Moore - soutenu par Angela Duckworth et Daniel Pink - révèle le juste milieu contre-intuitif entre le doute et l'illusion qui transforme la prise de décision. Que vous coûte votre étalonnage de confiance ?

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Chapitre 1

The Confidence Paradox: Why Overconfidence Ruins Us and Calibration Saves Us

In the bustling world of self-improvement advice, one book stands out for challenging our most fundamental assumptions about confidence. Don A. Moore's "Perfectly Confident" isn't just another addition to the overcrowded shelves of success literature-it's a revolutionary rethinking of what confidence should actually mean. While Tony Robbins and countless motivational speakers urge us to maximize our confidence, Moore presents compelling evidence that this approach is fundamentally flawed. The book has become required reading at top business schools and a favorite among tech executives in Silicon Valley, who recognize that calibrated confidence-not blind optimism-drives sustainable success. Even Oprah Winfrey, in her 2020 book club selection, praised Moore's work as "the antidote to toxic positivity culture." This groundbreaking perspective emerged from Moore's personal journey from an awkward Idaho teenager obsessed with self-help to a Harvard-educated behavioral scientist who discovered that the middle path between overconfidence and underconfidence leads to better decisions and ultimately, greater achievement.

Chapitre 2

The Three Faces of Confidence: Estimation, Placement, and Precision

When we talk about confidence, we're actually referring to three distinct psychological phenomena that operate independently. Understanding these differences is crucial for calibrating our confidence effectively. First, there's estimation confidence-how good you think you are at something in absolute terms. This is what we typically mean when discussing self-confidence. Research consistently shows that people tend to overestimate their abilities in familiar domains. In one study, 93% of American drivers rated themselves as above-average-a mathematical impossibility that reveals our tendency toward self-enhancement. The second type is placement confidence-how you believe you compare to others. This creates the fascinating "better-than-average effect" where most people consider themselves superior to their peers on positive traits. However, this pattern flips with difficult or rare skills. Ask people about their juggling ability or knowledge of 17th-century Portuguese literature, and suddenly most will rate themselves below average, creating what psychologists call the "worse-than-average effect." The third and most insidious form is precision confidence-how certain you are about what you know. This manifests when we draw our confidence intervals too narrowly, believing we know more precisely than we actually do. When asked to provide ranges that should contain the true answer with 90% confidence (like "The Nile River is between X and Y miles long"), most people's ranges include the correct answer only 50% of the time, revealing severe overprecision. These distinctions matter tremendously in real life. A surgeon might correctly estimate her skill level (good estimation) but believe she's better than colleagues when she's not (poor placement), leading to taking on cases beyond her expertise. Or a business leader might accurately assess both his ability and standing among peers, but be excessively certain about market predictions (overprecision), leading to insufficient contingency planning. Understanding these three dimensions helps explain why the same person can simultaneously suffer from both overconfidence and underconfidence in different aspects of life. The quiet genius who understands complex systems but doubts her social skills, or the charismatic leader who overestimates his strategic acumen while underestimating his interpersonal impact-both demonstrate how these different confidence types operate independently within us.

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Chapitre 3

The Overconfidence Epidemic: Mother of All Biases

Overconfidence isn't just another cognitive bias-it's the mother of all psychological biases, both the most pervasive error in human judgment and the gateway to countless other mistakes. Nobel laureate Daniel Kahneman didn't mince words when he called it "the most significant cognitive bias." The 2008 financial crisis provides a devastating example of collective overconfidence. Investors purchased mortgage-backed securities with excessive certainty about their value, creating demand for increasingly dubious loans. Risk models failed to account for novel loan types like NINJA loans (no income, job, or assets), yet investors remained certain that default rates would stay below 5% based on historical data from traditional mortgages. When default rates exceeded 50% in some portfolios, the entire system collapsed. What makes this example particularly instructive is that many industry insiders recognized the unsustainability but kept participating. They overconfidently believed they were smarter than others and would exit before the crash-a classic manifestation of overplacement. This illustrates how overconfidence can persist even when we have information suggesting we should be more cautious. Overconfidence also manifests in everyday decisions. Consider the planning fallacy-our tendency to underestimate how long tasks will take. When I ask my students to estimate how long they'll need to build a simple Lego model, they typically predict 10-15 minutes but actually require 25-30 minutes. This isn't just poor estimation; it's a failure to consider all the ways things might go wrong. We envision the ideal scenario rather than the full distribution of possible outcomes. Perhaps most troubling is how overconfidence leads to unnecessary conflict. When we're excessively certain we're right, we interpret disagreement as stupidity or malice rather than a different perspective worth considering. This overprecision explains why political discussions often devolve into accusations rather than productive exchanges. Each side is too certain of their own correctness to genuinely engage with opposing viewpoints. The pervasiveness of overconfidence suggests it might serve some evolutionary purpose. Confident individuals may attract mates and allies, gain social status, and persuade others to follow them. But in our complex modern world, where decisions involve intricate systems and long-term consequences, this ancient adaptation often leads us astray.

Chapitre 4

When Confidence Becomes Counterproductive: The Risks of Believing in Yourself

William James, psychology's founding father, wrote persuasively about positive visualization, using the metaphor of leaping across a mountain crevasse. He argued that believing in one's ability to make the jump increases the likelihood of success, while self-doubt leads to failure. This suggests optimism creates self-fulfilling prophecies-belief in success makes success more likely. But there's a critical limitation to this perspective: confidence must be calibrated to reality. If a crevasse is twenty feet wide, no amount of self-belief will get you across. The biblical warning that "pride goeth before destruction" highlights how excessive confidence can undermine success. Psychologist Jeffrey Vancouver's experimental work demonstrates this counterintuitive dynamic. In his Mastermind game study, researchers manipulated participants' confidence by secretly making the game easier for some players. When these artificially confident players later faced normal difficulty levels without assistance, they performed worse than those with lower self-efficacy. This reveals that when performance depends on effort, overconfidence can reduce necessary exertion and sabotage results. Similarly, Gabriele Oettingen's research shows that those who fantasize most about positive futures often achieve worse outcomes, whether in weight loss, academics, or romance. The problem is that positive visualization can provide a premature sense of accomplishment, reducing motivation to actually do the hard work required. This explains why students who are most confident about acing exams without studying rarely get the best grades. Their confidence leads them to underinvest in preparation, creating a self-defeating cycle. As Michael Raynor explains in "The Strategy Paradox," success often breeds complacency in businesses, undermining their ability to adapt to market challenges. Even Elon Musk, despite his ambitious goals, has acknowledged that "impossible goals are demotivating" and has resolved "to be a little more realistic." The sweet spot lies in setting challenging but achievable goals that motivate rather than discourage. The impostor syndrome represents the opposite extreme-competent people fearing they aren't good enough despite evidence to the contrary. Even luminaries suffer from it-Thomas Jefferson doubted his qualifications, John Steinbeck claimed he wasn't a writer, Maya Angelou feared being "found out" after eleven books, and Jodie Foster thought her Academy Award was a fluke. This syndrome flourishes when others' flaws remain hidden, like comparing our naked bodies (with all imperfections visible) to photoshopped images.

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Chapitre 5

Thinking in Probabilities: The Power of Distributions

Most of us make a fundamental error when thinking about uncertain futures: we simplify probability into just three categories: "It's going to happen" (100%), "It's not going to happen" (0%), and "Who knows?" (often vaguely described as 50/50). This simplification explains why college students in one study estimated their risk of HIV infection from a single encounter with an HIV-positive partner at 50%, when the actual risk is below 0.1%. A superior alternative is using probability distributions, which forces broader thinking about possible outcomes. When BASF, like most companies, relied on product managers to make "best guess" point predictions about future sales, they encountered three key problems. First, point predictions are inevitably wrong-forecasting exactly 100,000 kilograms of ibuprofen sales is virtually impossible. Second, single-point predictions neglect the full range of possibilities, akin to averaging all roulette wheel numbers and betting on 18. Third, focusing on one prediction exacerbates overprecision in judgment. Consider how differently we might approach decisions if we thought in distributions rather than points. When deciding whether to launch a new product, instead of asking "Will this succeed?" (inviting a yes/no answer), we might ask "What's the distribution of possible outcomes?" This forces consideration of both spectacular success and dismal failure scenarios, along with their respective probabilities. This approach also helps with personal decisions. When I was deciding whether to read a colleague's paper by a certain deadline, I created a probability distribution showing when I might complete it. This liberated me from "the false certainty of the point prediction" and allowed me to communicate my uncertainty honestly. Tversky and Kahneman's influential probability weighting function illustrates how people psychologically weight probabilities differently than their objective values-overweighting small probabilities and underweighting large ones. This explains the simultaneous popularity of both insurance and gambling, as people overestimate small probabilities of both catastrophes and jackpots. When Carnegie Mellon students estimated their chances of winning over $10 million in the lottery at 14% (versus the actual 0.0000008%), they demonstrated this psychological distortion. Better probabilistic thinking could have helped YouTube co-founder Steve Chen make a better decision about selling to Google for $1.65 billion, given YouTube's subsequent spectacular growth.

Chapitre 6

The Entrepreneur's Dilemma: Optimism Versus Reality

Entrepreneurs present a fascinating challenge to rational confidence calibration. Studies consistently show that 81% rate their success chances at 7/10 or higher, with one-third claiming absolute certainty of success. This overconfidence manifests in high-risk financial behaviors like maxing out multiple credit cards, mortgaging homes, and depleting retirement savings. The stark reality? Nearly 80% of new businesses fail within five years, and entrepreneurship typically has negative expected value when accounting for opportunity costs and lost wages. This creates what I call the entrepreneur's dilemma: while entrepreneurship drives innovation and economic growth for society, it resembles a lottery for individuals. When entrepreneurs delude themselves about their chances, twice as many enter markets than economic models suggest is optimal, effectively halving the expected value for all participants. Research shows the most optimistic individuals enter at higher rates, but buying more "lottery tickets" doesn't improve the underlying probability mathematics for individuals. A study of 2,994 entrepreneurs found that those rating themselves as "highly confident" were actually less likely to succeed than moderately confident peers. Consider Jerry Yang of Yahoo!, who exemplifies both the power and peril of entrepreneurial optimism. Rising from knowing only one English word as a Taiwanese immigrant to becoming "Chief Yahoo," Yang built one of the internet's earliest success stories. However, his optimism turned to hubris when he famously rejected Microsoft's $44.6 billion offer in 2008, insisting Yahoo was "positioned for accelerated financial growth." This optimistic assessment proved catastrophically wrong-Yahoo's core business eventually sold to Verizon for just $4.83 billion, less than 11% of Microsoft's original offer. The entrepreneurial mindset profoundly affects how we evaluate risks across all domains. Prospect theory, developed by Kahneman and Tversky, explains our fundamental reluctance to take risks with positive expected values. Samuelson's colleague famously declined a favorable bet ($200 win vs $100 loss) because losses hurt roughly twice as much as equivalent gains please. This loss aversion becomes particularly problematic when applied universally to daily choices with minimal downside-trying new foods, restaurants, meeting potential colleagues-that involve minor risks but potentially significant upside. Interestingly, Samuelson's colleague would accept 100 such bets bundled together, as the probability of overall loss becomes vanishingly small due to the law of large numbers. This mathematical insight suggests a powerful strategy for entrepreneurs: instead of betting everything on a single venture, develop a portfolio of smaller bets with positive expected values. Serial entrepreneurs who launch multiple ventures over time increase their chances of eventual success while limiting the damage from any single failure. Studies of serial entrepreneurs show they have a 30% higher success rate on their second venture and 40% higher on their third, demonstrating the value of this portfolio approach.

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Chapitre 7

Learning from Failure: The Value of Postmortems and Premortems

Commercial aviation's remarkable safety record stems from rigorous accident investigation and reporting systems that help identify weaknesses and prevent future accidents. The aviation industry has prioritized safety through frequent checks, backup systems, and comprehensive crew training protocols. Regulatory agencies implement system-wide rules based on lessons learned from each incident. Even near-accidents are meticulously tracked through the Aviation Safety Reporting System, granting immunity to those who report problems to facilitate honest and thorough learning. This approach has resulted in commercial aviation becoming one of the safest forms of travel, with a fatal accident rate of just 0.17 per million flights. Organizations outside aviation can adopt similar approaches through postmortem analyses-systematic examinations of what went wrong after failures. These reviews should include detailed timelines, contributing factors, and specific recommendations for improvement. For example, tech companies regularly conduct "bug postmortems" after system outages, documenting not just technical failures but also communication breakdowns and process gaps. Psychologist Gary Klein's "premortem analysis" takes this concept further by imagining a project has failed spectacularly and identifying all possible reasons why. This approach helps surface concerns that might otherwise go unmentioned due to organizational politics or optimism bias. In one notable case, a billion-dollar sustainability project benefited when an executive identified the critical risk of the CEO retiring before completion-a factor that hadn't been considered in traditional risk assessments. Other common premortem findings include key personnel departures, market changes, and technical obstacles that might have been overlooked. While seemingly inconsistent with optimistic organizational culture, premortems serve a crucial function during strategic planning, allowing teams to anticipate problems before committing resources. They create a psychologically safe space for team members to voice concerns without appearing negative. As General George Patton advised: collect all fears before making important decisions, then proceed without them. Julie Norem's concept of "defensive pessimism" provides a psychological framework for this approach. This strategy involves channeling anxiety about potential failure into productive preparation. Many successful students employ this method before exams by imagining specific failure scenarios-like blanking on key concepts or mismanaging time-which motivates them to study more effectively. Research shows that defensive pessimists often perform as well as strategic optimists, despite their different approaches. The California High-Speed Rail project serves as a cautionary tale about inadequate risk assessment. Initially projected in 2000 to cost $25 billion and finish by 2016, by 2018 estimates ballooned to $77.3 billion with completion pushed to 2033. By 2019, the project was scaled back to just 171 miles between Merced and Bakersfield. This dramatic scaling back resulted from multiple factors: geological challenges, land acquisition issues, and political complications that could have been identified earlier through thorough premortem analysis. To avoid such planning fallacies, organizations should break plans into smaller components and conduct detailed scenario planning. Research shows that time estimates improve by up to 30% when projects are broken down into specific tasks under two hours. People rarely underestimate short, simple tasks, but consistently misjudge complex ones by 20-50%. Sometimes incentives actually encourage overconfidence-contractors may deliberately underestimate costs to win bids, planning to renegotiate later, a practice known as "low-balling" that affects up to 60% of major infrastructure projects.

Chapitre 8

The Wisdom of Diverse Perspectives

Ray Dalio's humbling experience with a catastrophically wrong market prediction in 1982 transformed his approach to decision-making. After confidently predicting a depression that never materialized, Dalio lost nearly everything and had to lay off all employees. This devastating failure led him to fundamentally question his decision-making process and cognitive biases. From this crucible emerged his philosophy of "embracing reality" through radical transparency and idea meritocracy. He built Bridgewater Associates into the world's most successful hedge fund by institutionalizing a culture where everyone, regardless of seniority, is expected to challenge others' views using logic and evidence. This includes junior employees openly questioning the CEO's thinking and all meetings being recorded for transparency. When someone disagrees with you, it's a gift of great value-they're offering a perspective that might reveal flaws in your thinking. Our tendency toward "naive realism" - the belief that we see reality objectively while others are biased - makes us assume our view is the only sensible one. This cognitive bias is particularly dangerous in high-stakes decisions. Different perspectives help us glimpse new opportunities, understand our own propensity for error, and identify blind spots in our reasoning that we're unable to see ourselves. The wisdom of crowds phenomenon demonstrates how collective intelligence can surpass individual expertise. The classic example comes from Francis Galton's 1907 observation of 787 fair visitors guessing an ox's weight-their average guess was only one pound off the actual 1,198 pounds. Similar results have been found in modern contexts, from stock market predictions to weather forecasting. This works because individual errors tend to cancel each other out when averaged, but crucially, the crowd's wisdom depends on independence among members-when errors are uncorrelated, they cancel out. When members influence each other, this advantage disappears. Effective leaders actively cultivate cognitive diversity for better decisions. Alfred P. Sloan, who built General Motors into the world's largest automaker, famously postponed a decision despite unanimous agreement, saying "I propose we postpone further discussion until our next meeting to give ourselves time to develop disagreement and perhaps gain understanding of what the decision is all about." Like Abraham Lincoln, who assembled a "Team of Rivals" cabinet including former opponents, wise leaders deliberately seek out and encourage conflicting viewpoints. Modern organizations like Google and Amazon have formalized processes for ensuring diverse perspectives are heard in decision-making. The crowd is only wise when truly diverse-shared biases can transform crowds into mobs with correlated errors. Studies in group psychology show that homogeneous groups discussing issues often emerge more polarized than before, a phenomenon known as group polarization. For important decisions, collecting individual views before discussion prevents mutual influence and preserves diversity. Research on grant funding committees at the National Institutes of Health suggests they would make better decisions by simply averaging individual ratings rather than meeting to discuss applications-the discussions often lead to worse outcomes due to social influence and conformity pressures. This principle extends to corporate boards, military planning, and other high-stakes decision environments where maintaining independent judgment is crucial.

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Chapitre 9

The Middle Way: Finding Perfect Confidence

Alex Honnold completed what may be the most stupendous athletic achievement ever-free soloing El Capitan, a 3,000-foot granite monolith in Yosemite, without any safety equipment. While most climbers rely on protective gear, Honnold climbed alone for four hours where any slip would have meant death. His feat was documented in the Oscar-winning film "Free Solo." Though one might assume Honnold possesses enormous confidence, he emphasizes the importance of well-calibrated confidence: "It's not enough to think that you can, you have to absolutely know on a physical and rational level that the free solo that you're attempting is well within your abilities." Both overconfidence and underconfidence pose dangers-overconfident climbers take on challenges beyond their abilities, while underconfident ones waste energy by clinging too tightly. Like Honnold on El Capitan, we all undertake risky activities daily that require calibrated confidence. This book has cataloged situations where we tend toward overconfidence or underconfidence across three forms: estimation (how good we think we are), placement (how we compare to others), and precision (how sure we are of our beliefs). While Edison's persistence with the lightbulb wasn't overconfidence but justified belief in eventual success despite thousands of failures. Even successful entrepreneurs like Jeff Bezos don't rely on certainty-he told early investors they had a 70% chance of losing everything and predicts Amazon will eventually fail. True confidence should be based on rigorous analysis rather than self-delusion, considering probabilities, possible outcomes, and expected values. The Morandi Bridge collapse exemplifies overconfidence's deadly consequences. Initially celebrated as maintenance-free with "unlimited confidence in reinforced concrete," the bridge deteriorated faster than expected. Even Morandi himself recommended maintenance measures that the private corporation managing the bridge seemingly ignored, basing their maintenance program on early optimism rather than updated recommendations. The path to wisdom lies between overconfidence and underconfidence, accepting truth about ourselves and our capabilities. This self-acceptance, described in Buddhist traditions, brings peace through clear-eyed yet compassionate self-awareness. The middle way has been championed across philosophical traditions: Socrates advised choosing "the mean and avoiding extremes"; Aristotle described the Golden Mean; Greek myths like Icarus and Odysseus venerate moderation; Maimonides advocated balance between body and soul; Biblical wisdom warns against extremes of virtue and vice; Islamic scholars identified virtues as midpoints between vices; and Buddhism's core teaching emerged when Siddhartha Gautama discovered the middle path between self-indulgence and self-sacrifice. While finding this balance can be challenging, with social norms providing inconsistent guidance, the principle remains universally valuable: believe the truth. Well-calibrated confidence prompts bold action when likely to succeed and caution when risks are too great. This calibration builds on evidence and honest self-examination, requiring courage to resist wishful thinking. Such accurate self-knowledge strengthens relationships and benefits society, as democracies with market economies have demonstrated. Though perfection remains unattainable, striving toward the middle way requires an uncommon combination of courage and humility-the perfect amount of confidence.

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Thèmes clés dans L’excès de confiance

calibrated confidence
overconfidence bias
decision making accuracy
behavioral forecasting
self-assessment precision

Citations de L’excès de confiance

Calibrated confidence-not blind optimism-drives sustainable success.
Overconfidence is the mother of all psychological biases.
Pride goeth before destruction.
Optimism creates self-fulfilling prophecies.
Positive visualization can provide a premature sense of accomplishment.

Personnages de L’excès de confiance

Don A. MooreAuthor and behavioral scientist at UC Berkeley

À propos de l'auteur

Don A. Moore, auteur de Perfectly Confident, est un économiste comportemental de renom et professeur à la Haas School of Business de l'UC Berkeley, où il détient la chaire Lorraine Tyson Mitchell en leadership. Son livre explore la psychologie de la confiance, mêlant des décennies de recherche sur la prise de décision et l'excès de confiance à des stratégies pratiques pour calibrer l'assurance en soi dans les affaires et dans la vie.

Coauteur du manuel à succès Judgment in Managerial Decision Making et contributeur au projet historique Good Judgment — une initiative parrainée par le gouvernement américain, célèbre pour la précision de ses prévisions géopolitiques — Moore fait le pont entre la rigueur académique et l'applicabilité dans le monde réel.

Ses analyses ont été publiées dans The New Yorker, la Harvard Business Review et The Wall Street Journal, et il tient le blog Perfectly Confident sur Psychology Today. Les travaux de Moore inspirent des programmes de formation au leadership et des stratégies organisationnelles à travers le monde, ses recherches étant citées dans plus de 15 000 articles académiques.

Perfectly Confident a été adopté par des dirigeants du Fortune 500 et des universités comme cadre de référence pour équilibrer l'ambition avec une humilité fondée sur les faits.

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117

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@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

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@SofiaP

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201

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@OojasSalunke

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@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

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Chapitre 7

L’excès de confiance

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Un livre. De nombreuses façons de l'écouter.

The Confidence Paradox: Why Overconfidence Ruins Us and Calibration Saves Us

The Three Faces of Confidence: Estimation, Placement, and Precision

Voyez chaque mot au fil de l'écoute

The Overconfidence Epidemic: Mother of All Biases

When Confidence Becomes Counterproductive: The Risks of Believing in Yourself

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Thinking in Probabilities: The Power of Distributions

The Entrepreneur's Dilemma: Optimism Versus Reality

Voyez chaque mot au fil de l'écoute

Learning from Failure: The Value of Postmortems and Premortems

The Wisdom of Diverse Perspectives

Profitez davantage de L’excès de confiance

The Middle Way: Finding Perfect Confidence

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Thèmes clés dans L’excès de confiance

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À propos de l'auteur

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1,000,000+ curious minds.

1,000,000+ curious minds.

Un livre. De nombreuses façons de l'écouter.

The Confidence Paradox: Why Overconfidence Ruins Us and Calibration Saves Us

The Three Faces of Confidence: Estimation, Placement, and Precision

Voyez chaque mot au fil de l'écoute

The Overconfidence Epidemic: Mother of All Biases

When Confidence Becomes Counterproductive: The Risks of Believing in Yourself

Profitez davantage de L’excès de confiance

Thinking in Probabilities: The Power of Distributions

The Entrepreneur's Dilemma: Optimism Versus Reality

Voyez chaque mot au fil de l'écoute

Learning from Failure: The Value of Postmortems and Premortems

The Wisdom of Diverse Perspectives

Profitez davantage de L’excès de confiance

The Middle Way: Finding Perfect Confidence

Vous êtes arrivé au bout de L’excès de confiance

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Aperçu de L’excès de confiance