Predictably Irrational
The Hidden Forces That Shape Our Decisions
by Dan Ariely
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More Recommenders
“My favorite type of book: pointing out and understanding all of the counterintuitive things people do. | Predictably Irrational Book review. GET THIS BOOK. That's it. A BRILLIANT read. Irrespective of what you do, you must read this textbook of human behaviour & how amazingly complex our minds are decisions are. See pic 4 review. All my reviews here : | Q. What's your favourite business book you'd advise to young entrepreneurs and why M.L. Some good ones from the "pure business" category: Zero to One, The Hard Thing About Hard Things, The Innovator's Dilemma, Good to Great, etc. Personally, I prefer less advice, more history. From my favorite business segment: Too Big To Fail, Ascent of Money, When Genius Failed, etc. Books on applied psychology (Influence, Predictably Irrational, etc) are another way to round out primarily technological education :)”
Source →“My favorite type of book: pointing out and understanding all of the counterintuitive things people do. | Predictably Irrational Book review. GET THIS BOOK. That's it. A BRILLIANT read. Irrespective of what you do, you must read this textbook of human behaviour & how amazingly complex our minds are decisions are. See pic 4 review. All my reviews here : | Q. What's your favourite business book you'd advise to young entrepreneurs and why M.L. Some good ones from the "pure business" category: Zero to One, The Hard Thing About Hard Things, The Innovator's Dilemma, Good to Great, etc. Personally, I prefer less advice, more history. From my favorite business segment: Too Big To Fail, Ascent of Money, When Genius Failed, etc. Books on applied psychology (Influence, Predictably Irrational, etc) are another way to round out primarily technological education :)”
Source →“My favorite type of book: pointing out and understanding all of the counterintuitive things people do. | Predictably Irrational Book review. GET THIS BOOK. That's it. A BRILLIANT read. Irrespective of what you do, you must read this textbook of human behaviour & how amazingly complex our minds are decisions are. See pic 4 review. All my reviews here : | Q. What's your favourite business book you'd advise to young entrepreneurs and why M.L. Some good ones from the "pure business" category: Zero to One, The Hard Thing About Hard Things, The Innovator's Dilemma, Good to Great, etc. Personally, I prefer less advice, more history. From my favorite business segment: Too Big To Fail, Ascent of Money, When Genius Failed, etc. Books on applied psychology (Influence, Predictably Irrational, etc) are another way to round out primarily technological education :)”
Source →“My favorite type of book: pointing out and understanding all of the counterintuitive things people do. | Predictably Irrational Book review. GET THIS BOOK. That's it. A BRILLIANT read. Irrespective of what you do, you must read this textbook of human behaviour & how amazingly complex our minds are decisions are. See pic 4 review. All my reviews here : | Q. What's your favourite business book you'd advise to young entrepreneurs and why M.L. Some good ones from the "pure business" category: Zero to One, The Hard Thing About Hard Things, The Innovator's Dilemma, Good to Great, etc. Personally, I prefer less advice, more history. From my favorite business segment: Too Big To Fail, Ascent of Money, When Genius Failed, etc. Books on applied psychology (Influence, Predictably Irrational, etc) are another way to round out primarily technological education :)”
Source →“My favorite type of book: pointing out and understanding all of the counterintuitive things people do. | Predictably Irrational Book review. GET THIS BOOK. That's it. A BRILLIANT read. Irrespective of what you do, you must read this textbook of human behaviour & how amazingly complex our minds are decisions are. See pic 4 review. All my reviews here : | Q. What's your favourite business book you'd advise to young entrepreneurs and why M.L. Some good ones from the "pure business" category: Zero to One, The Hard Thing About Hard Things, The Innovator's Dilemma, Good to Great, etc. Personally, I prefer less advice, more history. From my favorite business segment: Too Big To Fail, Ascent of Money, When Genius Failed, etc. Books on applied psychology (Influence, Predictably Irrational, etc) are another way to round out primarily technological education :)”
Source →“My favorite type of book: pointing out and understanding all of the counterintuitive things people do. | Predictably Irrational Book review. GET THIS BOOK. That's it. A BRILLIANT read. Irrespective of what you do, you must read this textbook of human behaviour & how amazingly complex our minds are decisions are. See pic 4 review. All my reviews here : | Q. What's your favourite business book you'd advise to young entrepreneurs and why M.L. Some good ones from the "pure business" category: Zero to One, The Hard Thing About Hard Things, The Innovator's Dilemma, Good to Great, etc. Personally, I prefer less advice, more history. From my favorite business segment: Too Big To Fail, Ascent of Money, When Genius Failed, etc. Books on applied psychology (Influence, Predictably Irrational, etc) are another way to round out primarily technological education :)”
Source →“My favorite type of book: pointing out and understanding all of the counterintuitive things people do. | Predictably Irrational Book review. GET THIS BOOK. That's it. A BRILLIANT read. Irrespective of what you do, you must read this textbook of human behaviour & how amazingly complex our minds are decisions are. See pic 4 review. All my reviews here : | Q. What's your favourite business book you'd advise to young entrepreneurs and why M.L. Some good ones from the "pure business" category: Zero to One, The Hard Thing About Hard Things, The Innovator's Dilemma, Good to Great, etc. Personally, I prefer less advice, more history. From my favorite business segment: Too Big To Fail, Ascent of Money, When Genius Failed, etc. Books on applied psychology (Influence, Predictably Irrational, etc) are another way to round out primarily technological education :)”
Source →“My favorite type of book: pointing out and understanding all of the counterintuitive things people do. | Predictably Irrational Book review. GET THIS BOOK. That's it. A BRILLIANT read. Irrespective of what you do, you must read this textbook of human behaviour & how amazingly complex our minds are decisions are. See pic 4 review. All my reviews here : | Q. What's your favourite business book you'd advise to young entrepreneurs and why M.L. Some good ones from the "pure business" category: Zero to One, The Hard Thing About Hard Things, The Innovator's Dilemma, Good to Great, etc. Personally, I prefer less advice, more history. From my favorite business segment: Too Big To Fail, Ascent of Money, When Genius Failed, etc. Books on applied psychology (Influence, Predictably Irrational, etc) are another way to round out primarily technological education :)”
Source →“My favorite type of book: pointing out and understanding all of the counterintuitive things people do. | Predictably Irrational Book review. GET THIS BOOK. That's it. A BRILLIANT read. Irrespective of what you do, you must read this textbook of human behaviour & how amazingly complex our minds are decisions are. See pic 4 review. All my reviews here : | Q. What's your favourite business book you'd advise to young entrepreneurs and why M.L. Some good ones from the "pure business" category: Zero to One, The Hard Thing About Hard Things, The Innovator's Dilemma, Good to Great, etc. Personally, I prefer less advice, more history. From my favorite business segment: Too Big To Fail, Ascent of Money, When Genius Failed, etc. Books on applied psychology (Influence, Predictably Irrational, etc) are another way to round out primarily technological education :)”
Source →“My favorite type of book: pointing out and understanding all of the counterintuitive things people do. | Predictably Irrational Book review. GET THIS BOOK. That's it. A BRILLIANT read. Irrespective of what you do, you must read this textbook of human behaviour & how amazingly complex our minds are decisions are. See pic 4 review. All my reviews here : | Q. What's your favourite business book you'd advise to young entrepreneurs and why M.L. Some good ones from the "pure business" category: Zero to One, The Hard Thing About Hard Things, The Innovator's Dilemma, Good to Great, etc. Personally, I prefer less advice, more history. From my favorite business segment: Too Big To Fail, Ascent of Money, When Genius Failed, etc. Books on applied psychology (Influence, Predictably Irrational, etc) are another way to round out primarily technological education :)”
Source →Recommended by 12 notable people, including Derek Sivers and Keith Rabois
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Reading Profile
Should I read this?
Ariely walks you through a parade of clever experiments that expose the irrational forces behind everyday decisions. The anecdotes are breezy and often funny, making complex ideas feel like party conversation. It’s useful for spotting your own blind spots, but the rapid-fire stories can blur together, and the pop-science style may underwhelm if you want rigorous academic depth.
Read this if...
- •A marketing manager at a retail chain trying to redesign a buy-one-get-one promotion after noticing free items consistently outsell discounted ones—they need to grasp why “free” works irrationally.
- •A recent graduate struggling with subscription creep and pay-later apps, who needs a light diagnosis of their own mental accounting traps without a guilt trip.
- •A hiring manager at a startup who suspects salary offers are being anchored by candidates' side projects, not market benchmarks, and wants to restructure negotiation ranges.
Skip this if...
- •Not for readers who demand prescriptive, step-by-step advice; the book is descriptive, not a manual.
- •You’ll likely put it down when the experiment-surprise formula becomes predictable after a few chapters.
- •Annoying if you prefer systematic theory over vignettes; Ariely rarely connects the dots into a unified framework.
Why do our headaches persist after we take a onecent aspirin but disappear when we take a fiftycent aspirin Why do we splurge on a lavish meal but cut coupons to save twentyfive cents on a can of soup When it comes to making decisions in our lives, we think we're making smart, rational choices. But are we In this newly revised and expanded ed...
Before You Buy
Reading Specifications
Difficulty:easy
Audience Fit
- A marketing manager at a retail chain trying to redesign a buy-one-get-one promotion after noticing free items consistently outsell discounted ones—they need to grasp why “free” works irrationally.
- A recent graduate struggling with subscription creep and pay-later apps, who needs a light diagnosis of their own mental accounting traps without a guilt trip.
- A hiring manager at a startup who suspects salary offers are being anchored by candidates' side projects, not market benchmarks, and wants to restructure negotiation ranges.
- Not for readers who demand prescriptive, step-by-step advice; the book is descriptive, not a manual.
- You’ll likely put it down when the experiment-surprise formula becomes predictable after a few chapters.
- Annoying if you prefer systematic theory over vignettes; Ariely rarely connects the dots into a unified framework.
Check formats, pricing, and availability options for Kindle, physical print, or audiobooks directly.
View available editions on AmazonKey themes
Why recommended
Recommended by 16 sources and appears in Critical Thinking, Influence, and Persuasion.
Recommended by notable people
People and public figures who have recommended this book.
Recommendation Signals
Recommendation proof is sourced from public posts, interviews, reading lists, and cited references.
Tristan Harris
“My favorite type of book: pointing out and understanding all of the counterintuitive things people do. | Predictably Irrational Book review. GET THIS BOOK. That's it. A BRILLIANT read. Irrespective of what you do, you must read this textbook of human behaviour & how amazingly complex our minds are decisions are. See pic 4 review. All my reviews here : | Q. What's your favourite business book you'd advise to young entrepreneurs and why M.L. Some good ones from the "pure business" category: Zero to One, The Hard Thing About Hard Things, The Innovator's Dilemma, Good to Great, etc. Personally, I prefer less advice, more history. From my favorite business segment: Too Big To Fail, Ascent of Money, When Genius Failed, etc. Books on applied psychology (Influence, Predictably Irrational, etc) are another way to round out primarily technological education :)”
View sources (5) ▾80%
Appears In
Not sure if this is the right fit?
Consider The Boy, the Mole, the Fox and the Horse by Charlie Mackesy. Recommended by 8 sources.
“Soft-spoken, heavily illustrated fable built from short dialogues and watercolor sketches. Each spread pairs a spare line of text with a loose drawing, so the pleasure is visual and aphoristic rather than narrative; readers collect felt-true sentences more than plot. Most useful when you want quick consolations, a prompt for conversation with a child, or a pause during a rough day. Limiting if you want sustained argument, concrete advice, or tightly plotted storytelling: the repetition of gentleness can feel sentimental or thin after a while.”
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Each recommendation is collected from a public source — interviews, articles, or curated lists — and linked to its original URL. Books with many verifiable recommendations from respected people rank higher.