What is *Black-and-White Thinking* by Kevin Dutton about?

*Black-and-White Thinking* explores how the human brain defaults to binary categorization as an evolutionary survival mechanism, examining both its advantages (quick decisions) and pitfalls (oversimplification). Dutton blends psychology, philosophy, and real-world examples like Brexit and COVID-19 policy debates to illustrate how rigid thinking shapes societal and personal choices.

Who should read *Black-and-White Thinking*?

This book appeals to psychology enthusiasts, leaders navigating complex decisions, and anyone seeking to recognize cognitive biases. It’s particularly relevant for readers interested in persuasion tactics, social dynamics, or improving emotional resilience in polarized environments.

Is *Black-and-White Thinking* worth reading?

Yes, for its insightful analysis of mental shortcuts and their societal impacts. Reviews praise its depth but note occasional repetitiveness. Readers gain actionable frameworks to identify and mitigate binary thinking in relationships, politics, and career decisions.

How does Kevin Dutton explain the evolutionary purpose of black-and-white thinking?

Dutton argues binary thinking evolved to help early humans quickly assess threats and opportunities. While effective for survival, this "cognitive shortcut" becomes problematic in modern contexts requiring nuanced judgment, such as gender identity debates or ethical dilemmas.

What real-world examples does *Black-and-White Thinking* use?

The book analyzes Brexit’s divisive rhetoric, COVID-19 policy polarization, and historical events like the Cold War. These cases demonstrate how binary frameworks amplify conflict and hinder compromise.

How does the book address the gender binary debate?

Dutton critiques rigid gender classifications as a cultural example of black-and-white thinking. He highlights evolving social norms to argue for spectrum-based perspectives, though some readers desire deeper exploration of this topic.

What are the main criticisms of *Black-and-White Thinking*?

Critics note repetitive explanations and uneven depth in applying concepts to contemporary issues. Some argue Dutton’s focus on academic theories overshadows practical solutions for overcoming cognitive biases.

「白黒思考」を脱する法

Q: What is the SPICE model of persuasion mentioned in the book?

Co-developed by Dutton, the **SPICE model** identifies five persuasion principles: **Simplicity**, **Perceived self-interest**, **Incongruity**, **Confidence**, and **Empathy**. It’s used to dissect how leaders, marketers, and conspiracy theorists exploit binary narratives.

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『「白黒思考」を脱する法』の概要

『Black-and-White Thinking（白黒思考）』の中で、ケヴィン・ダットンは、私たちの二元的な脳がいかに現代の意思決定を妨げているかを明らかにしています。フィリップ・プルマン卿が「完全に説得力がある」と絶賛したこの目を見張るような探求は、ブレグジットや政治的過激主義、そしてなぜ脳の進化的なショートカットが最大の足かせになり得るのかを解説しています。

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第1章

The Binary Trap: How Our Minds Create Order Through Division

Ever notice how a simple choice between two options makes decisions easier? This phenomenon isn't coincidental-it's hardwired into our brains. In "Black and White Thinking," renowned psychologist Kevin Dutton explores how our evolutionary tendency to categorize the world into binary distinctions shapes everything from our daily choices to global conflicts. The book has struck a chord with readers across disciplines. Bill Gates called it "essential reading for understanding today's polarized world," while Yuval Noah Harari praised it as "a fascinating exploration of the human mind's need for simplicity in a complex world." Since its publication, the book has become required reading in psychology departments worldwide and sparked conversations about how we might transcend our binary limitations. What makes Dutton's work particularly compelling is his ability to weave together evolutionary psychology, neuroscience, and real-world examples to show how this ancient cognitive shortcut-once crucial for survival-may now be our greatest liability in an increasingly nuanced world. As we'll discover, the line between helpful categorization and harmful oversimplification is itself not black and white.

第2章

The Categorization Instinct: Our Evolutionary Heritage

When entomologist Lynn Kimsey examined insect fragments from a car radiator in 2003, she had no idea she was solving a quintuple homicide. The FBI needed to determine if murder suspect Vincent Brothers had driven from Ohio to California to kill his estranged wife, her mother, and three children, despite his alibi placing him thousands of miles away. Kimsey's analysis of thirty insect fragments revealed species native to the eastern United States, the southwest, and California-proving the rental car had indeed made the cross-country journey. When asked about her role in sending Brothers to death row, Kimsey responded matter-of-factly: "I was just doing my job-sorting things into boxes." This casual remark reveals something profound about human cognition. Our brains are categorization machines, constantly sorting the world into discrete boxes. This isn't just a learned behavior-it's hardwired from birth. In a groundbreaking study, developmental psychologist Lisa Oakes showed that four-month-old babies could distinguish between cats and dogs despite minimal prior exposure to either animal. After being familiarized with several cat images, the infants looked significantly longer at dog pictures than at novel cats, demonstrating an innate ability to form categories. Without this categorization instinct, we would face existential questions with every encounter: Is that garden sprinkler dangerous? Should I put my head in the washing machine? Categories allow us to navigate predictably through a complex world, transforming random interactions into meaningful experiences. Rather than waking each morning as if on a new planet, we process our environment in manageable chunks. As we develop, our categorization skills become increasingly refined. We begin with broad categories like "plants" and "animals," then progress to more specific distinctions like "flowers" and "trees," "dogs" and "cats." Eventually, with expertise, we develop highly specialized taxonomic systems. This progression helps us navigate the world with increasing precision, though experts' detailed classifications can sometimes frustrate non-specialists. Professor Mike Anderson explains that we categorize at three different levels: superordinate (general), basic, and subordinate (specific). The basic level proves most efficient for everyday communication-saying "turn right at the house with the dog" is more effective than either "square concrete structure with a mammal" or "vermiculated artisans dwelling with a Bergamasco Shepherd." Basic level categories allow optimal communication with minimal effort. Even young children understand the power of basic categories. Four-year-olds know a cow raised among pigs will still moo, and five-year-olds recognize that a porcupine transformed to look like a cactus remains a porcupine. Children privilege basic category distinctions over appearance when making inferences about shared characteristics. However, optimal categorization levels vary by context and expertise. Biologists use seven taxonomic levels, with genus being their optimal working level-one step above the species level most people find handiest. This specialized categorization explains why the FBI sought Lynn Kimsey's taxonomic expertise to solve the Brothers murder case.

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第3章

The Heap Problem: Where Do We Draw the Line?

In October 2004, Paul Sinton-Hewitt faced a personal crisis. Recently laid off and sidelined from marathon running by a knee injury, he chose action over self-pity-organizing a free 5-kilometer run for thirteen friends in London's Bushy Park. This modest gathering has since exploded into Parkrun, a global phenomenon spanning 715 locations, hosting over 166,000 events, and logging more than 34 million individual runs covering 174 million kilometers. Sinton-Hewitt's founding principle was simple: running should be free, social, and inclusive. "Everyone has a right to run!" he insists, positioning himself as a "disruptor" in an industry where people often profit from something natural and simple. This principle was challenged in 2017 when the parish council of Stoke Gifford attempted to charge participants 1, claiming that hundreds of feet "pounding the paths" caused "extra wear." Despite the nominal fee, Parkrun headquarters refused to compromise on their free-entry policy, and the event was canceled. Even former marathon world-record holder Paula Radcliffe joined the protest, calling the council's decision "short-sighted." The Parkrun controversy raises a fundamental question about categorization: where do we draw the line? At what precise point does a casual gathering become an "event" requiring special consideration? Paul acknowledges there's now an informal cutoff around 300 participants, based on feedback about congestion. But this arbitrary threshold illustrates the challenge of categorical reasoning-the closer we examine the individual "brush strokes" of our categories, the more our analytical clarity degrades. This line-drawing problem has ancient precedent. In Genesis, Abraham negotiates with God over sparing Sodom and Gomorrah if enough righteous people remain, haggling from 50 down to 10-but even 10 remains arbitrary. Similarly, during the COVID-19 pandemic, policymakers faced impossible choices about acceptable mortality numbers when weighing health measures against economic impacts. After witnessing footballer Joey Barton's violent outburst during a 2012 match, philosopher Dr. Raj Sehgal reached out to the player, eventually becoming his philosophical mentor. During one of their conversations, Raj introduced the Sorites paradox-an ancient Greek philosophical puzzle about where to draw categorical lines. The paradox works like this: One grain of sand isn't a heap. Adding one grain to a non-heap doesn't create a heap. Therefore, by induction, no amount of sand can ever form a heap-which is clearly absurd when we look at actual piles of sand. This 2,500-year-old conundrum extends beyond sand to serious matters like assisted suicide, addiction, and gender identity. As Raj points out, life proceeds in imperceptible grains, yet our attention fixates only on heaps. In 1834, psychologist Ernst Heinrich Weber discovered a related principle in human perception: the "just noticeable difference" (JND)-the minimum change needed in a stimulus before we detect it. Weber's Law establishes that this threshold is proportional to the initial stimulus intensity. While evolution has programmed our brains to notice significant changes, we cross countless imperceptible lines every minute without registering them. Warren Quinn's Paradox of the Self-Torturer further illustrates this problem: imagine being offered $10,000 for each incremental increase in electrical current applied to your body, with each increase imperceptible but cumulative effects potentially unbearable. This parallels addiction and overindulgence-"one more can't hurt" becomes a dangerous mantra when imperceptible changes accumulate. Unlike Socrates' cave allegory where reality was pure and our perceptions imperfect, psychology suggests the opposite: reality is fuzzy, and we impose categories to make sense of it.

第4章

When Categories Collide: The Limits of Binary Thinking

In 1999, British boxer Lennox Lewis defeated Evander Holyfield in Las Vegas to become undisputed heavyweight champion. Among the celebrating crowd was Frank Maloney, Lewis's manager, distinctive in his trademark Union Jack suit-a perfect reflection of his brash, fearless persona in the boxing world. Fifteen years later, I'm having dinner with Kellie Maloney-formerly Frank-who has undergone gender reassignment. Despite her feminine appearance in a Donna Karan dress and Jimmy Choo shoes, her Cockney accent remains unchanged. "I'd always felt I was born in the wrong body," she confides, describing her struggle as a fight she couldn't win but could keep at arm's length. In the hyper-masculine boxing world, she kept her identity secret, only confiding in a therapist. Her transition challenges Aristotle's classical theory of categorization, which proposed clear boundaries between categories with no gray areas. As Kellie points out, Facebook now lists approximately seventy different gender categories, a far cry from the traditional binary of male and female. I explain to Kellie how cognitive science has largely debunked Aristotle's rigid categorization theory, particularly through Eleanor Rosch's pioneering work in the 1970s. Wittgenstein's "family resemblance" theory offers an alternative view-using games as an example where no single feature defines all members of the category, just overlapping similarities. Yet Kellie makes an important observation: just because categories aren't clear-cut doesn't mean they don't exist. "We might not be able to draw the exact line between 'man' and 'woman'," she says, "but that's not the same as saying men and women don't exist." After meeting Kellie, I head to Berkeley to meet Professor Eleanor Rosch, whose groundbreaking work revolutionized our understanding of categorization. In Papua New Guinea, she discovered that the Dugum Dani people, who have only two color terms in their language, still recognized and remembered "prototypical" colors better than marginal ones-just as we do. This finding challenged Aristotle's classical theory with its sharp boundaries and definitive features. Rosch explains that categories have prototypes-exemplars that best represent the category-and fuzzy boundaries. Just as there are "genius reds" and "poor reds," there are better and worse examples of birds, furniture, or any concept. A robin is more prototypical of a bird than a penguin; a chair more prototypical of furniture than a telephone. This prototype theory offers a middle ground between binary thinking and complete relativism-a spectrum where some grays are "blacker" or "whiter" than others. Yet our brains, evolved for primitive survival decisions, struggle with modern complexity. As Wittgenstein noted, we generally "know where we stand" with categories, but life's most crucial decisions often occur at the fuzzy boundaries-like determining when someone transitions from "alive" to "dead," or an embryo becomes a "person." The abortion debate exemplifies this dilemma perfectly. At what point does an embryo become a person? Twenty-four weeks? At conception? There's no biological "Big Bang" moment of personhood. Yet we're compelled to draw hard lines-not because they reflect reality, but because they enable moral and legal decisions. The tragic case of Savita Halappanavar in Ireland shows how rigid categorical thinking can have fatal consequences when doctors refused a necessary abortion because the fetus still had a heartbeat. Rosch points out that "optimal generalization" becomes particularly difficult with concepts that incorporate beliefs, attitudes and moral convictions. While disagreement about where red ends and orange begins matters little, disagreement about categories like "murder" provokes anxiety and hostility-it's an assault on identity itself.

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第5章

The Dark Side of Black and White: Too Many or Too Few Categories

Our brains process information in binary, but when facing complex choices, neither infinite variety nor strict binaries serve us well. We need balance, as excessive categorical distinctions can be as problematic as insufficient ones. Human categorization isn't arbitrary but an evolutionary process maximizing information while minimizing cognitive effort. Our brains have a limited "category allowance"-too many options overwhelm us. This ability to categorize is essential; without it, we couldn't even conceptualize basic ideas like "hills" or "old." Like organizing a library, our minds establish systems to navigate the world, starting with broad distinctions before moving to nuanced subcategories. This refinement continues until reaching "peak classification"-the optimal level for efficient retrieval. The challenge lies in knowing when to stop categorizing. The "tyranny of choice" illustrates this perfectly: customers were more likely to purchase jam when presented with six options (30% bought) versus twenty-four (3% bought). Too many categories lead to decision paralysis. Seven emerges as a significant number across domains-from rainbow colors to musical notes. Harvard psychologist George Miller showed our short-term memory can hold about seven items (plus or minus two). While we can expand this through techniques like chunking, seven remains optimal for most categorization systems, representing the sweet spot between discrimination and simplicity. Categorization styles can reveal cognitive patterns. Hoarders often exhibit "underinclusive" categorization, defining categories too narrowly and viewing each item as unique. Conversely, "over-inclusive" thinking leads to problematic generalizations, like stereotyping where all group members are viewed identically. Both extremes-seeing the world in countless fragments or oversimplified groups-impair decision-making and understanding.

第6章

The Viewfinder Principle: Adjusting Our Perspective

Sometimes in life we need to stand alone, sometimes let others in. Sometimes we focus on fine details, sometimes step back for the bigger picture. It's all about where we set our viewfinder. Elite performers navigate this balance between tunnel vision and broader perspective with surprising nuance. Contrary to expectations, both snooker champion Ronnie O'Sullivan and Olympic gold medalist Sebastian Coe emphasize the dangers of excessive focus. O'Sullivan performs best when snooker occupies "the corner of my life" rather than consuming everything. Similarly, Coe reveals his most myopic preparation approach (before the 1980 Moscow Olympics) actually hindered his performance, while a more balanced perspective helped him succeed in 1984. Both athletes highlight the importance of maintaining perspective through relationships. For Coe, friends like Daley Thompson provided crucial perspective after losing the 800m, helping him rebound to win gold in the 1500m. For O'Sullivan, friends like artist Damien Hirst create space for him to be himself beyond snooker's pressures. Our personal viewfinders operate on multiple levels, requiring flexibility in how we frame our perceptions. The metaphor extends perfectly to leadership, as demonstrated by AFC Bournemouth's Eddie Howe and Jeff Mostyn, who balanced immediate concerns with long-term vision to achieve their "Great Escape" from near-bankruptcy to Premier League success. As Mostyn explains, "During the course of a season you're going to have a lot of ups and downs... Sometimes you don't need the big picture or a goal in life. You just need to know what you're going to do next." Eddie adds that they divide seasons into "mini seasons" of four-game groups-anchored in the present while focused on the future. This balanced approach extends to Burnley's Sean Dyche, who emphasizes "Legs. Hearts. Minds" must work together, noting that ego often blinds people to the big picture. The viewfinder principle proves equally vital in politics, where former Labour strategist Alastair Campbell observes how the left-right binary oversimplifies complex human perspectives. The danger comes when our viewfinders get stuck, as with MP Laura Pidcock's refusal to befriend Conservatives. Such rigid thinking prevents necessary collaboration. Our viewfinders must be adjustable-zoomed in for immediate threats, but zoomed out for complex social issues "until we can't see the 'them' for the 'us'." A striking demonstration concludes the chapter: the "Marilyn Einstein" illusion. Up close, we see Einstein's details; from a distance, Marilyn Monroe emerges. This perfectly illustrates how perception depends on perspective-when time is short, we see in black and white, our brains prioritizing the bigger picture over details. The metaphor extends to social perception: "Across the other side of the House, the Tories become the untouchables. And across the other side of the street, the Chens and the Chans, the Khans and the Kumars and the Kowalskis become the unreachables."

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第7章

The Complexity of Simplicity: Finding the Right Balance

Napoleon Bonaparte's wisdom frames this exploration of optimal categorization: "Take time to deliberate. But when the time for action has arrived, stop thinking and go in." The chapter opens with the Weight Problem of Bachet de Meziriac-a mathematical puzzle where a merchant's assistant discovers that four broken pieces of a 40kg weight (1kg, 3kg, 9kg, and 27kg) can measure any weight between 1-40kg using a balance scale. This elegant problem illustrates optimal categorization-how to divide our complex world into the most functionally efficient categories. The solution connects to modern currency systems, which use a 1-2-5 series (1, 2, 5, 10, 20, 50) rather than powers of three, balancing mathematical efficiency with practical usability. But the fundamental question remains: how do we know when we've reached "peak categorization" in our everyday decisions? When are our categories optimally arranged? When are we the right distance from a person or issue to see it with appropriate detail? Arie Kruglanski, Holocaust survivor and terrorism researcher at the University of Maryland, provides insight through his concept of "cognitive closure"-our need to reach conclusions and move forward. This evolved mechanism prevents endless deliberation: "Thinking is good... But if you have no mechanism to switch that thinking off... then what good has that thinking done you?" While our big brains excel at comparison and deliberation, we need an "off switch" to prevent getting stuck in "a twilight zone of endless, infinite data crunching." Unlike Bachet's neat mathematical problem, real life rarely offers definitive answers. We face overwhelming choices-from jam varieties to job candidates-that can paralyze decision-making when options multiply excessively. Natural selection installed a "failsafe psychological kill switch"-similar to our fight-or-flight response-to balance accuracy with efficiency. Without this mechanism, "our brains would rumble on forever," dissecting problems into "increasingly meaningless thought bytes." This cognitive closure function varies between individuals, with some needing certainty more quickly than others. Kruglanski distinguishes between cognitive closure and cognitive complexity. While some people possess "an Aladdin's cave of frames" allowing them to perceive nuances, others have fewer, isolated mental structures and "see things in black and white"-evaluating the world on fewer dimensions and thinking in absolutes. Those with both high need for closure and low need for complexity make decisions quickly without much deliberation. However, someone with high need for both closure and complexity faces a dilemma-wanting answers but also craving nuance. Our brains are programmed to think in black and white, but how we draw the lines between categories varies considerably. Some draw more lines, quicker lines, and thicker lines than others. These differences in categorization profoundly affect how we communicate and influence each other. Categories function as cognitive commodities that generate movement between groups, teams, organizations, and people. Mastering how to label these categories effectively makes one a more powerful influencer. The migrant/refugee dichotomy illustrates this-while seemingly distinct categories, the reality is far more complex, with people's motivations existing on a spectrum. Politicians exploit this ambiguity, knowing that "whoever controls the language wins the argument."

第8章

The Rainbow That Might Have Been: How Language Shapes Perception

Language doesn't merely define what we see-it actively shapes our perception. Our brains constantly process infinite sensory input, but natural selection has equipped us with a "Force Quit function" that draws a line in our neural processing, providing sufficient certainty to prevent cognitive paralysis. Two classic psychological experiments demonstrate language's power over perception. In Harold Kelley's 1950 Yale study, students who were told a professor was "warm" rather than "cold" participated more in discussions and rated him more positively afterward. Elizabeth Loftus's landmark study revealed the "misinformation effect"-participants who were asked about a car "smashing into" another (versus "contacting") estimated higher speeds and even reported seeing non-existent broken glass. Our memories and perceptions are highly malleable. As I discovered while shopping for "blue" paint (corrected by a salesman as "Velvet Breeze"), categorization fundamentally shapes how we experience reality. Professor Jules Davidoff's research on cultural variations in color perception further explores why people around the world don't all "see the rainbow in the same way." Davidoff argues that language fundamentally shapes how we see color. The problem lies in knowing where to draw lines between colors-without words for "red" and "orange," how do we distinguish between them? Had Newton conducted his prism experiments among Papua New Guinea's Berinmo tribe rather than in Cambridge, our understanding of the rainbow's colors might differ dramatically. The Berinmo language has just five color terms, combining "blue" and "green" into a single category called "nol." This linguistic difference affects actual perception. In experiments, Berinmo speakers easily distinguish between nearly identical green shades but struggle to differentiate blue from green-the exact opposite of English speakers' abilities. Labels draw lines in our perception; language circumscribes and authenticates experience. Without specific words for colors, we literally don't "notice" certain distinctions, just as we might not distinguish between similar-looking children until someone points out "Christopher" or "Robin." The Berinmo's five-color palette reflects optimal categorization for their environment-with abundant green foliage but little blue in the jungle, their language evolved to make fine distinctions where most needed. Different cultures develop specialized vocabularies based on their unique needs: Argentinian gauchos have over 200 words for horse colors but just four plant categories; Inuit languages have numerous terms for frozen water; paint specialists develop arcane distinctions between blues. The Guugu Yimithirr language in Australia lacks words for "left" and "right," instead using cardinal directions for all spatial references. This linguistic feature gives native speakers an extraordinary sense of direction-they always know where north is, regardless of their location or movement. Color terms follow a universal evolutionary sequence across languages: black and white emerge first, followed by red, then yellow, green, and finally blue. This pattern reflects both the biological significance of certain colors and how human perception has evolved to categorize the visual spectrum according to cultural needs.

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第9章

The Frame Game: The Art of Persuasive Categorization

Our language tends toward hyperbole and binary extremes, as I discovered when telling a colleague I was "dying" when merely feeling unwell. A study I conducted at Cambridge revealed students using extreme descriptors had significantly lower thresholds for identifying "black" and "white" zones on a greyscale continuum compared to those using moderate language. We literally see what we say. This linguistic polarization has devalued once-powerful words-"depressed" now commonly means merely feeling low, while terms like "awesome," "epic," "star" and "hero" are applied to mundane experiences. As Susie Dent notes, "We've panic bought all the uberwords," leaving our "vocab aisles empty" when genuine tragedies occur. Language functions like an electrical circuit, conducting arguments between opposing positions by transferring information from positions of greater knowledge to those of diminished certainty. As a top QC explained to me, information takes the path of least resistance-the best barristers arrange facts to create the clearest picture in jurors' minds, making their version of events easier to believe than their opponents'. These "master framers" don't necessarily provide the most accurate portrayal but the one that most appeals to judges' psychological sensibilities. If categories are products, frames are the trademarks and brands that shape our perception of reality. Andy's genius lies in redirecting light rather than shedding new illumination-reframing situations rather than rethinking them. This approach, first identified by Aristotle in "On Rhetoric," reveals that changing someone's perception is often more effective than changing reality itself. Like the sentence "A woman without her man is nothing," which takes radically different meanings when punctuated by boys versus girls, the arrangement of information fundamentally alters its meaning while the words remain unchanged. Kahneman and Tversky's Nobel Prize-winning Prospect Theory revealed our universal predisposition: we hate losing more than we love winning. Their experiments with coffee mugs showed sellers demanded $7 while buyers offered only $3, and their "Asian Disease" problem demonstrated how framing identical outcomes as either "200 lives saved" or "400 people will die" dramatically shifts decision-making. Claire Smith, an "extreme negotiator" who successfully dealt with the Taliban, exemplifies masterful framing. When Taliban fighters threatened a girls' school, the teachers saved it by reframing education as strengthening Islamic values and making better wives-essentially "out-Talibaning the Taliban." Frames serve three essential functions: providing perspective, highlighting what's salient, and influencing judgment. The strategic placement of a single word like "only" in a sentence can completely transform its meaning by directing our attention. Eldar Shafir demonstrated this dramatically in a custody battle experiment where participants were asked either who should be "awarded" or "denied" custody between average Parent A and mixed-attribute Parent B. Remarkably, Parent B was both awarded custody (64%) and denied custody (55%) depending on the framing, as the question itself determined which attributes became salient. In abortion debates, the choice between clinical "fetus" and emotional "unborn baby" reveals how terminology frames moral arguments by activating different cognitive associations and ethical frameworks. When frames position arguments too far outside an audience's mindset, persuasion fails-the cognitive and emotional distance is simply too great. Skilled persuaders understand this dynamic, carefully placing arguments within what's called a person's "latitude of acceptance" rather than their "latitude of rejection." Think of the brain as a cognitive taxi service that only accepts fares within a certain radius-if an argument falls outside this zone, we decline the call.

第10章

Where There's a Why There's a Way: The Psychology of Persuasion

In 2005, I wrote "Flipnosis: The Art of Split-Second Persuasion" about rapid influence techniques. When I asked persuasion expert Professor Robert Cialdini if anyone could be persuaded to do anything, he hesitated, suggesting there might be limits but wondering where they lay given tragedies like Jonestown. My father, a market trader who sold questionable goods, had a different view: there are no limits to persuasion provided you do one crucial thing-make people want what you want them to do. "Persuasion isn't about getting people to do what they don't want to do," he explained. "It's about giving them a reason to do what they do want to do." The fundamental principle is perceived self-interest-the better the reason I give you for doing what you already want, the more likely you'll end up doing what I want. The power of self-interest as a persuasive tool has ancient roots. In Genesis, the serpent convinces Eve to eat forbidden fruit by appealing to her vanity and desire for status. But perhaps the most illustrative tale is the "Parable of Stone Soup," where a clever traveler convinces suspicious villagers to contribute ingredients to his "stone soup" one by one, ultimately creating a feast for everyone. The traveler's genius lies in making each villager believe participation serves their own interests, transforming individual selfishness into collective benefit. Fifteen years after their first meeting, I reconnect with Bob Cialdini, whose 1984 book "Influence" outlined six evolutionary principles of compliance: reciprocity, scarcity, authority, consistency, liking, and consensus. I contrast these with my own SPICE model from "Flipnosis": Simplicity, Perceived Self-Interest, Incongruity, Confidence, and Empathy. Together, these frameworks provide a comprehensive roadmap for persuasion, with all principles ultimately appealing to self-interest-we move toward rewards and away from pain. Whether through positive reinforcement or negative consequences (like the UK's successful plastic bag charge that reduced usage by 80%), effective persuasion isn't forcing people to do what they don't want, but giving them compelling reasons to do what they already desire. Analyzing both Cialdini's six principles and my SPICE model reveals a deeper pattern: many elements appeal to our hardwired intolerance of uncertainty. Authority, consistency, and consensus provide safety through knowledge, habit, and numbers, while simplicity, confidence, and incongruity all reduce confusion and hesitation. Uma Karmarkar's restaurant review study demonstrates how incongruity works-experts expressing uncertainty and novices showing confidence create cognitive surprise that commands our attention. Archy de Berker's electric shock experiment further proves our uncertainty aversion: stress levels peaked when shock probability was 50% but decreased at both 0% and 100% certainty-even guaranteed pain was preferable to ambiguity. During the COVID-19 pandemic, this intolerance for grey areas became evident in conflicting guidelines about essential businesses and social distancing. The message is clear: whoever can transform ambiguity into black-and-white certainty holds tremendous persuasive power.

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第11章

Supersuasion: The Power of Binary Thinking in Influence

In a London interrogation room, I observe an interview with a young man linked to radical cleric Abu Hamza al-Masri. After the recorder stops, he delivers an impassioned speech framing his argument in stark oppositions: "Our God is holier than your God. Our warriors are mightier than your warriors. Our good is deeper than your bad." This binary rhetoric reveals the persuasive power of polarized thinking. The interview, partly role-played using real ISIS suspect statements, demonstrates how polarizing frames appeal to disaffected individuals. This binary framing technique appears everywhere - from extremist rhetoric to everyday persuasion, like when a child frames growing his hair as a human rights issue to convince his mother. Three fundamental "super-frames" drive human persuasion: Fight versus Flight, Us versus Them, and Right versus Wrong. These binaries appear consistently in influential rhetoric from Trump's speeches to ISIS manifestos to Churchill's wartime addresses. Fight/Flight is shared with all species, while Us versus Them emerged 2.5-3 million years ago for group cohesion, and Right versus Wrong developed 100-300,000 years ago with language. While these frameworks served our ancestors, they now create bottlenecks where truth becomes tribalized. Tribal epistemology shapes perception itself. In a 1951 Dartmouth-Princeton football game, fans from each school saw different games when watching identical footage. Similarly, modern studies show Republicans and Democrats interpret protest footage differently based on the protesters' political alignment. Even arbitrary group assignments in Tajfel's minimal group paradigm led participants to favor their own group, proving our need to belong often supersedes our need for accuracy. Sean Dyche's handling of Danny Drinkwater's nightclub incident exemplifies masterful binary persuasion. Rather than punishing his player, Dyche activated all three super-frames: fighting Drinkwater's demons (not the player), emphasizing "us" by highlighting shared human flaws, and focusing on what's right for both individual and team. The most effective persuaders, whether defusing crisis or inspiring action, skillfully manipulate these primal cognitive categories.

第12章

Undercover Influence: The Secret Science of Getting What You Want

The chapter contrasts a British captain's heroic rescue of a German soldier with a territorial farmer's rigid behavior, illustrating how black and white thinking exists on a spectrum. Ancient Greek poet Archilochus first described this as "foxes" (flexible, open-minded) versus "hedgehogs" (focused, single-minded). Modern psychology places psychosis and rigid rule-based thinking at opposite ends, with most people falling between based on their need for cognitive complexity-their ability to consider multiple perspectives and integrate them coherently. This spectrum appears across various domains. In politics, Republicans typically show lower need for cognitive complexity than Democrats, preferring structure over ambiguity. During crises, people often gravitate toward black-and-white thinking leaders like Churchill or Trump, whose decisiveness provides comfort amid uncertainty. While professionals like surgeons and athletes rely on binary thinking for quick decisions, effective persuasion works through three evolutionary super-categories: Fight versus Flight, Us versus Them, and Right versus Wrong. Master persuaders identify categorical boundaries in arguments and leverage them effectively. Consider age-related responsibility (when is someone old enough to be accountable?) or assisted suicide (what constitutes "assistance"?). Donald Trump's tweet showing himself eating KFC with silver cutlery on his private jet exemplifies the SPICE model: Simplicity, Perceived Self-Interest, Incongruity, Confidence, and Empathy. It successfully engaged all three binary super-categories while connecting with voters. Metaphors enhance persuasion by making abstract concepts tangible. For athletes, comparing energy management to spending money or injury prevention to Formula 1 pit stops creates immediate understanding. In high-stakes situations, like a security officer facing hostile youths in Belfast, reframing through binary categories can transform threatening situations. By shifting the narrative from confrontation to collaboration against a common enemy, the officer successfully defused a potentially deadly encounter.

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第13章

Redrawing the Lines: The Future of Black and White Thinking

We've come full circle in human communication. From using rocks to resolve conflicts, we developed language and reason, only to revert to hostile "click-and-run" attacks in today's social media landscape. Online echo chambers have created tribal warfare prioritizing absolute truth over nuanced discussion. When I challenged established categories in my book on "good psychopaths," the backlash demonstrated how people resist disrupting their neat psychological categories of Us versus Them and Right versus Wrong. Drawing lines doesn't just create division-it magnifies it. Studies show we perceive greater differences between items in separate categories than within the same category, even when the actual differences are identical. This "principle of accentuation" applies across domains, from color perception to how we judge car performance, where we exaggerate differences between luxury and economy vehicles regardless of actual specifications. When faced with cognitive dissonance, people often strengthen their existing beliefs rather than change them. The Seekers doomsday cult, when confronted with a failed prophecy, claimed their prayers saved Earth and intensified their proselytizing. Brexit supporters maintained their position despite acknowledging economic downsides. This pattern has evolved in the digital age, with many now completely rejecting contradictory facts, embracing "post-truth" denialism and fragmenting shared reality along tribal lines. The digital age has amplified our tendency to form group loyalties. Henri Tajfel showed how even arbitrary divisions create in-group favoritism and out-group antagonism. Today's countless online communities constantly trigger these tribal instincts, leading to increasingly granular distinctions. As Bourdieu noted, "Social identity lies in difference," explaining our obsession with minute categorizations, like Spotify's thousands of near-identical music subgenres. We can manage this tribal tendency by creating psychologically safe environments while maintaining accountability. Research shows that appeals to superordinate identities (like "human beings") can reduce prejudice, as demonstrated during COVID-19's unifying effect on the previously Brexit-divided UK. Simple interventions, like integrated seating arrangements or shared team affiliations, can significantly reduce in-group bias. The key insight remains: our identity requires difference - without a "them," there can't be an "us."

★★★★★

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『「白黒思考」を脱する法』の主要テーマ

binary categorization
evolutionary psychology
cognitive shortcuts
social polarization
taxonomic thinking

『「白黒思考」を脱する法』の名言

Everyone has a right to run!
I was just doing my job-sorting things into boxes.
Life proceeds in imperceptible grains, yet our attention fixates only on heaps.

『「白黒思考」を脱する法』の登場人物

Kevin DuttonAuthor and psychologist exploring binary thinking
Lynn KimseyEntomologist who used insect taxonomy for the FBI
Vincent BrothersMurder suspect whose alibi was tested by science
Paul Sinton-HewittFounder of the global running phenomenon Parkrun
Lisa OakesPsychologist who studied categorization in infants

著者について

ケビン・ダットン（Kevin Dutton）は、研究心理学者、ベストセラー作家であり、認知心理学および社会的影響力の専門家です。著書『Black and White Thinking: The Burden of a Binary Brain in a Complex World（邦題：白黒思考：複雑な世界における二極化脳の重荷）』で最もよく知られています。

オックスフォード大学およびケンブリッジ大学で長年研究に携わってきた彼の研究は、サイコパス的特性や説得に関する研究に基づき、偏った思考がいかに人間の行動を形成するかを解明しています。

ダットンの硬直した思考の枠組みに対する関心は、カリスマ的なロンドンの市場商人であり、そのサイコパス的傾向が彼の研究のインスピレーションとなった父親を観察したことに端を発しています。その他の主な著書には、高圧的な職業におけるサイコパス的特性の利点を検証した『The Wisdom of Psychopaths（邦題：サイコパス秘められた能力）』や、一瞬の説得術を研究し18言語に翻訳された『Flipnosis（邦題：瞬間説得）』などがあります。

SAS（英国陸軍特殊空挺部隊）の退役軍人アンディ・マクナブとの共著『The Good Psychopath’s Guide to Success（邦題：善と悪のサイコパス）』でも知られるダットンは、チャンネル4の『Psychopath Night』などの番組に頻繁に出演し、ポッドキャスト『Psycho Schizo Espresso』の共同ホストも務めています。彼が提唱した社会的影響力の「SPICEモデル」は、意思決定を最適化するために軍や企業のリーダーたちに活用されています。

『Black and White Thinking』は、なぜ人間が二者択一の選択に陥りやすいのかについて、数十年にわたる研究を統合したものであり、彼はTEDスタイルの講演やオックスフォード・エリート・パフォーマンスとのコラボレーションを通じて、この概念を広めてきました。

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[4abec1b0-b17d-42f8-b495-b83a4a55c1cc:c0000] Thinking, Fast and Slow (Daniel Kahneman) (z-library.sk, 1lib.sk, z-lib.sk).epub p1-1

[4abec1b0-b17d-42f8-b495-b83a4a55c1cc:c0001] Thinking, Fast and Slow (Daniel Kahneman) (z-library.sk, 1lib.sk, z-lib.sk).epub p1-1

[4abec1b0-b17d-42f8-b495-b83a4a55c1cc:c0002] Thinking, Fast and Slow (Daniel Kahneman) (z-library.sk, 1lib.sk, z-lib.sk).epub p1-1

[4abec1b0-b17d-42f8-b495-b83a4a55c1cc:c0003] Thinking, Fast and Slow (Daniel Kahneman) (z-library.sk, 1lib.sk, z-lib.sk).epub p1-1

25 sources

Thinking, Fast and Slow: The Two Systems

Thinking, Fast and Slow: The Architecture of Choice の書籍表紙

The Big Book Review: "Thinking, Fast and Slow" by Daniel Kahneman (Pt.4)

Thinking Fast and Slow: What Daniel Kahneman Got Right (and Wrong) -

Re-reading Kahneman’s Thinking, Fast and Slow

Psychologists at the Gate: A Review of Daniel Kahneman's Thinking, Fast and Slow - American Economic Association

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Thinking, Fast and Slow: The Architecture of Choice

Thinking 101

Woo-kyoung Ahn

The Power Of Not Thinking

Simon Roberts

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コロンビア大学卒業生がサンフランシスコで開発

LOVED BY

1,000,000+ curious minds.

4.7

avg rating

1M+ learners

"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

"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

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@Matt, YC alum

108

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

@SofiaP

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@Jaded_Falcon

201

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@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

"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

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"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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今すぐ学習の旅を始めよう

「白黒思考」を脱する法

概要『「白黒思考」を脱する法』の概要

1冊の本。さまざまな聴き方。

The Binary Trap: How Our Minds Create Order Through Division

The Categorization Instinct: Our Evolutionary Heritage

聴きながら、すべての言葉を目で追えます

The Heap Problem: Where Do We Draw the Line?

When Categories Collide: The Limits of Binary Thinking

『「白黒思考」を脱する法』をもっと深く楽しむ

The Dark Side of Black and White: Too Many or Too Few Categories

The Viewfinder Principle: Adjusting Our Perspective

聴きながら、すべての言葉を目で追えます

The Complexity of Simplicity: Finding the Right Balance

The Rainbow That Might Have Been: How Language Shapes Perception

『「白黒思考」を脱する法』をもっと深く楽しむ

The Frame Game: The Art of Persuasive Categorization

Where There's a Why There's a Way: The Psychology of Persuasion

聴きながら、すべての言葉を目で追えます

Supersuasion: The Power of Binary Thinking in Influence

Undercover Influence: The Secret Science of Getting What You Want

『「白黒思考」を脱する法』をもっと深く楽しむ

Redrawing the Lines: The Future of Black and White Thinking

『「白黒思考」を脱する法』を最後まで読み終えました

『「白黒思考」を脱する法』の主要テーマ

『「白黒思考」を脱する法』の名言

『「白黒思考」を脱する法』の登場人物

著者について

「白黒思考」を脱する法の要約をダウンロード

他のユーザーのお気に入り

この本に関するよくある質問

What is Black-and-White Thinking by Kevin Dutton about?

Who should read Black-and-White Thinking?

Is Black-and-White Thinking worth reading?

How does Kevin Dutton explain the evolutionary purpose of black-and-white thinking?

もっと見る

1,000,000+ curious minds.

1,000,000+ curious minds.

1冊の本。さまざまな聴き方。

The Binary Trap: How Our Minds Create Order Through Division

The Categorization Instinct: Our Evolutionary Heritage

聴きながら、すべての言葉を目で追えます

The Heap Problem: Where Do We Draw the Line?

When Categories Collide: The Limits of Binary Thinking

『「白黒思考」を脱する法』をもっと深く楽しむ

The Dark Side of Black and White: Too Many or Too Few Categories

The Viewfinder Principle: Adjusting Our Perspective

聴きながら、すべての言葉を目で追えます

The Complexity of Simplicity: Finding the Right Balance

The Rainbow That Might Have Been: How Language Shapes Perception

『「白黒思考」を脱する法』をもっと深く楽しむ

The Frame Game: The Art of Persuasive Categorization

Where There's a Why There's a Way: The Psychology of Persuasion

聴きながら、すべての言葉を目で追えます

Supersuasion: The Power of Binary Thinking in Influence

Undercover Influence: The Secret Science of Getting What You Want

『「白黒思考」を脱する法』をもっと深く楽しむ

Redrawing the Lines: The Future of Black and White Thinking

『「白黒思考」を脱する法』を最後まで読み終えました

他のユーザーのお気に入り

もっと見る

『「白黒思考」を脱する法』の概要