The Psychology of Judgment and Decision Making
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The Psychology of Judgment and Decision Making

Scott Plous

4.3994 learners

Written by Scott Plous, *The Psychology of Judgment and Decision Making* offers a comprehensive exploration of the cognitive biases, psychological mechanisms, and social influences that drive human decision-making. Drawing on decades of landmark experiments and real-world case studies, the book breaks down why people often make irrational choices—from the hostility media effect and cognitive dissonance to anchoring bias and overconfidence. It examines core theories like prospect theory and expected utility theory, contrasts intuitive judgment shortcuts with rational decision models, and explores how social dynamics, groupthink, and self-serving biases shape individual and collective choices. Additionally, it delves into the evolutionary roots of these biases and their practical applications across fields like public policy, business, and healthcare, equipping readers with insights to recognize and mitigate common decision pitfalls.

cognitive dissonanceConfirmation BiasGroupthinkHindsight BiasProspect Theory
The Undoing Project
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The Undoing Project

Michael Lewis

4.3953 learners

In *The Undoing Project*, Michael Lewis expands on the themes of his hit *Moneyball* to explore the revolutionary partnership between psychologists Daniel Kahneman and Amos Tversky. This dynamic pair shattered the long-held assumption that humans make rational decisions, uncovering the hidden cognitive biases that shape everything from baseball scouting and medical diagnoses to political predictions and financial choices. Through vivid storytelling, Lewis traces their journey from their early lives in Israel to their groundbreaking research, which introduced game-changing concepts like the representativeness heuristic, loss aversion, and prospect theory. Their work proved that our judgments rely on mental shortcuts rather than logical calculation, revolutionizing economics (earning Kahneman a Nobel Prize) and transforming fields from medicine to military strategy. Lewis also chronicles the deep, complex friendship that fueled their insights, offering a revealing look at why we make the choices we do—and how understanding our flaws can lead to better decisions.

Cognitive BiasesheuristicsLoss AversionBehavioral EconomicsProspect Theory
Contagious
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Contagious

Jonah Berger

4757 learners

Ever wondered why some products, ideas, or videos blow up overnight while others fade into obscurity? In *Contagious*, Jonah Berger breaks down the six core principles driving viral spread—social currency, triggers, emotion, public visibility, practical value, and storytelling—with relatable real-world examples. From Hotmail’s genius email signature hack that grew its user base to 8.5 million in a year, to Subway’s Jared story that turned a regular guy into a brand icon, and Dove’s *Evolution* video that sparked global conversations about beauty standards, Berger demystifies the psychology behind sharing. Packed with actionable insights for marketers, entrepreneurs, and anyone looking to amplify their message, this book gives you the tools to turn ordinary content into something the world can’t stop talking about.

Social ProofstorytellingProspect TheoryTriggersViral Marketing
Priceless
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Priceless

William Poundstone

4.5556 learners

From the infamous McDonald's coffee lawsuit that revealed how jury awards are swayed by psychological anchors to the sneaky tactics retailers use to inflate your spending, *Priceless* by William Poundstone demystifies the hidden psychology of value and pricing. Drawing on decades of behavioral economics, psychophysics, and real-world experiments, the book shows our sense of "fair" pricing isn’t based on cold math—it’s shaped by relative comparisons, cognitive shortcuts, and subtle environmental cues. Poundstone breaks down core concepts like anchoring effect, arbitrary coherence, and loss aversion, explaining how they drive everything from consumer choices to negotiation outcomes. He unpacks businesses’ go-to tricks—decoy products, "free" offers, tiered pricing—and explores how social factors like gender, appearance, and group pressure influence financial decisions. Whether you want to outsmart marketers, negotiate a better salary, or understand your own irrational spending, *Priceless* turns complex insights into actionable takeaways for everyday life.

Loss AversionProspect TheoryAnchoring EffectPricing strategiesArbitrary Coherence
Misbehaving
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Misbehaving

Richard H. Thaler

4.3397 learners

In *Misbehaving*, Nobel Prize-winning economist Richard H. Thaler dismantles the long-standing 'rational economic man' assumption of traditional economics. Starting with a quirky classroom experiment—where students cheered for a 96/137 exam score but raged at a 72/100 despite identical grade outcomes—Thaler reveals how real people’s decisions are driven by predictable irrationalities, not cold, calculated logic. He traces his decades-long journey collaborating with psychologists Daniel Kahneman and Amos Tversky, whose prospect theory laid the foundation for behavioral economics. Thaler breaks down core concepts like the endowment effect, mental accounting, and loss aversion using relatable examples: wine collectors refusing to sell or buy their own valued bottles, consumers prioritizing transaction utility over actual value, and businesses failing to grasp fairness perceptions. He also explores how these insights transformed finance (challenging the efficient market hypothesis) and public policy, with game-changing solutions like the 'Save More Tomorrow' retirement plan and the 'nudge' framework now adopted by global governments. This engaging blend of memoir and scholarship shows how studying human misbehavior turned a fringe idea into a mainstream discipline, reshaping our understanding of economics, business, and daily choices.

Loss AversionBehavioral EconomicsEndowment EffectEfficient Market HypothesisProspect Theory
Concept

Prospect Theory Four Modes

1. Probable gain: risk-averse (take $100 vs 89% chance $100). 2. Small gain: risk-seeking (11% $100 vs10% $250). 3. Probable loss: risk-seeking (avoid $100 loss).4. Small loss: risk-averse (pay to avoid loss).

RiskDecision MakingProspect Theory
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