Why We Make Mistakes: How We Look Without Seeing, Forget Things in Seconds, and Are All Pretty Sure We Are Way Above Average

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Why We Make Mistakes: How We Look Without Seeing, Forget Things in Seconds, and Are All Pretty Sure We Are Way Above Average

3.66 of 5 stars 3.66 · rating details · 1,674 ratings · 180 reviews

We forget our passwords. We pay too much to go to the gym. We think we'd be happier if we lived in California (we wouldn't), and we think we should stick with our first answer on tests (we shouldn't). Why do we make mistakes? And could we do a little better?

We human beings have design flaws. Our eyes play tricks on us, our stories change in the retelling, and most of us a

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Hardcover, 304 pages

Published February 17th 2009 by Broadway (first published 2009)

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Dec 03, 2010 Books Ring Mah Bell rated it 3 of 5 stars · review of another edition

Shelves: brainz, science-med-psych

Science light.

Quick, interesting examples of how we humans manage to goof up on everything from selecting credit cards (one can be swayed by a pretty face to take that high interest rate!) to cutting off the wrong leg in surgery. (Overconfidence is a bitch!)

The author explains mysteries of life, such as, "why did I give that stripper so much more for that lap dance this week?" answer: she's in that fertile cycle, where she appears more lovely (and maybe even smells better too!)

He also explains...more

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Mar 22, 2009 Trip rated it 4 of 5 stars Recommends it for: Persons who wish to become less foolish

A survey of cognitive biases and other limitations of the human brain,
with references and bibliography. The conclusions:

* Take notes on your mistakes, so you can learn from them.

* Get a Devil's Advocate, even if you have to do it yourself.

* No, you aren't that good at multitasking. You really aren't.

* The plural of "anecdote" is not "data". The singular of "anecdote" is "advertising".

* Have someone without your habits check for mistakes.

* Get some sleep, damn it!

* Happy people are smarter.

* Bri...more

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Feb 21, 2012 Lorin Kleinman rated it 4 of 5 stars

Human beings have an interesting dilemma. Sanity, I suspect, hinges to some degree on believing ourselves to be right more often than not, on believing that what we see is actually there, and that what we remember actually happened. Unfortunately, we are very often wrong, about almost everything. In Why We Make Mistakes: How We Look Without Seeing, Forget Things in Seconds, and Are All Pretty Sure We Are Way Above Average, Joseph T. Hallinan entertainingly plumbs the depths of our errors.

In a st...more Human beings have an interesting dilemma. Sanity, I suspect, hinges to some degree on believing ourselves to be right more often than not, on believing that what we see is actually there, and that what we remember actually happened. Unfortunately, we are very often wrong, about almost everything. In Why We Make Mistakes: How We Look Without Seeing, Forget Things in Seconds, and Are All Pretty Sure We Are Way Above Average, Joseph T. Hallinan entertainingly plumbs the depths of our errors.

In a style familiar to readers of Freakonomics and Outliers, Hallinan gives a plethora of examples, from medicine to criminal justice to the military. We are never safe from mistakes, though this is due less to problems of intelligence and organization, and more to the inherent flaws of our approach to the world.

One facet of this approach is efficiency. For instance, if we are looking for something and conclude that it is unlikely to be there, we tend to stop looking. This has unfortunate implications for radiologists and airport screeners: in one 2002 study, TSA officers missed one in four guns. (Screeners have a literally one-in-a-million chance of seeing a gun.)

Equally, if we believe that we know what will be there, we don’t look very closely: we skim. Hallinan describes a misprint in a piece of music that had gone unnoticed for decades, and was not detected until an unskilled pianist played the piece. All other pianists had simply automatically substituted the correct note. This suggests, counterintuitively, that the best proof-readers may not be experts.

And we see what we expect to see. I once read of a study in which wine experts were given white wine that had been colored to make it appear to be red. Many of the experts failed to notice that it was red wine. I explained this to a delighted waiter at Cookshop once; I wonder if he ever tried it out on the sommelier.

The list of things that we get wrong goes on and on, often driven by just the sorts of devices that have advantages in other situations. We often have trouble drawing a penny from memory or reciting the national anthem (I failed the penny test, but recited the anthem without error), we are terrible at judging risk, and we tend heavily toward overconfidence–think, for instance, of the millions of unused gym memberships we pay for every year. We also think that we can multi-task. We can’t.

Fortunately, Hallinan does not regard these problems as unsolvable, and the last few chapters of the book describe ways in which we can attempt to overcome them. Forewarned is forearmed, at least some of the time.

Readers of Jonah Lehrer and Malcolm Gladwell will recognize both Hallinan’s style and a number of the examples he gives, but for anyone interested in the disjoint between what we believe and what is true–and how to tell the difference–this book provides a fascinating account.
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May 30, 2009 Dave rated it 5 of 5 stars

Shelves: non-fiction-read, favorites

I took this book along to a doctor's office thinking it might be interesting. It may be post operative displacement, but this is a book that makes my heart glad, tickles my brain and stimulates the production and release of endorphins almost as much as a good bicycle ride. There's not much new to someone (like me) who has done a bit of reading in the field of human error, but the book is so well written and neatly documented that, for me, it's a pure intellectual pleasure so far. The author illu...more

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Jun 17, 2010 David rated it 2 of 5 stars · review of another edition

"Behavioral Economics for Dummies" would be a suitable subtitle for this book. The author isn’t a researcher or expert on the topic, or even someone with a particular message, just a journalist looking for a book to write and a drawer full of antidotal tidbits related to behavioral economics. As a result, the book is a cursory survey of the field presented by way of somewhat amusing little stories. I felt like I was at the breakfast table listening to a spouse read off newspaper articles… “Here’...more

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Jan 31, 2011 Amanda rated it 3 of 5 stars · review of another edition

There was some really fascinating stuff in here, but it wasn't as in-depth or thought-provoking as other similar books I've read (like "How We Know What Isn't So"). It was still well-researched and fairly informative though, especially for being such a light read. You could breeze through it in a weekend, and get plenty out of it. There are also fun tidbits and experiments (like testing your memory of what a penny looks like), and overall it was a good balance of dry facts and well-crafted insig...more

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Sep 12, 2012 Jill Furedy rated it 3 of 5 stars · review of another edition

Having read several decision making books, like How to Decide and Sway, among others, I was a little disappointed in how many of the exact same studies were in this book, with nothing new to draw from them. Yet there were a number of footnotes that I thought...why didn't we hear more about that? Like a note that baby faced oeople are judged as less competent but tended to be more intelligent. And toward the end of the book, he throws in a Jet Blue story where they extended their flight crew's wo...more

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Jul 08, 2012 Hinch rated it 3 of 5 stars

Why We Make Mistakes by Joseph Hallinan is written in the style of books like Predictably Irrational by Dan Ariely and Freakonomics by Steven Levitt and Stephen Dubner, in that it weaves together a mix of psychology research, anecdotes, news stories, and other interesting tidbits. Unfortunately, many of the stories are only tangentially relevant to the stated aim; in some respects, it's like the author has compiled a large collection of news paper clippings and book excerpts, selected first for...more

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Feb 25, 2012 Deb rated it 5 of 5 stars

*It would be a mistake not to read this one*

A highly engaging and informative read, _Why We Make Mistakes_ provides insight into our most common goofs. It turns out that the very traits that maximize our thinking processes and sense of efficacy--such as searching for meaning, making connections, seeing the big picture, and having an (overly) optimistic view of our abilities--are also the culprits behind many of our mistakes. As the author succinctly summaries: "We are blinded by the effects of h...more

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Feb 12, 2012 Richard rated it 4 of 5 stars

I like this book by Joseph Hallinan. Lots of good information to make you a better decision maker and to avoid common pitfalls. The chapter headers [with a few of my comments] give you a good idea of what the author covers:
1. We Look but Don't Always See
2. We All Search for Meaning
3. We Connect the Dots [i.e., we make inferences based on irrelevancies]
4. We Wear Rose-Colored Glasses
5. We Can Walk and Chew Gum - but Not Much Else [i.e., multi-tasking is a myth]
6. We're in the Wrong Frame of Mind
7...more

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May 16, 2010 Kit rated it 4 of 5 stars

I heard about this book on NPR and was interested in the idea of a compendium of research into how our own brains sabotage our thinking. Hallinan discusses things like how the fear of regret causes us to make bad decisions (even though statistically it's *better* to change your first answer on a test, most people won't do it because they think about how awful they would feel if they changed a correct answer to a wrong one, instead of realizing they're actually more likely to change a wrong answe...more

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Aug 14, 2009 Mazola1 rated it 3 of 5 stars

Why We Make Mistakes takes an entertaining and sometimes amusing look at the peculiarities, quirks and limitations of the human mind.
We all know we do dumb things, and that we persist in doing dumb things even when we have every reason to know better. This book explains why. We don't pay attention. We don't read directions. We make snap judgments based on scant data. We think we know more than we do. Our eyes fool us.

While it's tempting to think that reading this book might reduce one's tenden...more

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Jun 01, 2009 getAbstract rated it 5 of 5 stars

Understanding guide to becoming goof-proof

A woman hanged herself in a tree on a busy street. Yet, no one reported the suicide for more than 14 hours even though her body was clearly visible. Why? Because the incident occurred on October 31st and passersby mistook the body for a Halloween decoration. This horrifying example demonstrates the way context – as well as traits that are innately human – plays a role in how people make errors. As Joseph T. Hallinan explains, human beings are biased, ove...more

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Feb 17, 2010 David rated it 4 of 5 stars

Shelves: read-in-2010

This book covers some of the same behavioral economics territory considered in such recent books as Dan Ariely's "Predictably Irrational" (http://www.goodreads.com/review/show/....), "Nudge" by Richard Thaler and Cass Sunstein (http://www.goodreads.com/review/show/....), and the Bronfman brothers' "Sway" (http://www.goodreads.com/review/show/...). There is also significant overlap with Carol Tavris and Elliot Aronson's excellent "Mistakes Were Made (But Not by Me): Why We Justify Foolish Beliefs...more This book covers some of the same behavioral economics territory considered in such recent books as Dan Ariely's "Predictably Irrational" (http://www.goodreads.com/review/show/....), "Nudge" by Richard Thaler and Cass Sunstein (http://www.goodreads.com/review/show/....), and the Bronfman brothers' "Sway" (http://www.goodreads.com/review/show/...). There is also significant overlap with Carol Tavris and Elliot Aronson's excellent "Mistakes Were Made (But Not by Me): Why We Justify Foolish Beliefs, Bad Decisions, and Hurtful Acts".

Joseph T. Hallinan's background is in journalism, not science, so this book is primarily a synthesis of the work of others. Hallinan won a Pulitzer during his time as a writer for the Wall Street Journal, and "Why We Make Mistakes" provides ample confirmation that he has the necessary writing chops. I think he does a spectacular job of synthesizing results of the relevant research. He's an unobtrusive but authoritative guide, steering the reader through the material with admirable clarity and focus. He has a journalist's talent for providing just the information needed to get the point across, often within the framework of a funny or thought-provoking example.

Basically, Hallinan does what we hope any good nonfiction writer will do - he provides a comprehensive, coherent summary of a relatively extensive body of research, drawn from a wide variety of sources. He not only makes it accessible to the general reader; the wit and verve with which he pulls it off make the book a delight to read.

To me, the most striking part of the book was the discussion of the phenomenon of overconfidence and its consequences. Think of it as the Lake Wobegon effect - as Hallinan puts it, "we all walk around with the private conceit that we are above average, and in that conceit lies the seed of many mistakes". Some of these mistakes can be catastrophic - as for instance when the overweening confidence of a handful of self-anointed financial "masters of the universe" proceeds unchecked to the point of triggering a complete meltdown of the financial sector. (A fascinating recent New Yorker article by Malcolm Gladwell makes a strong case that those executives whose errors of judgement were most instrumental in bringing about the meltdown still refuse to acknowledge that they did, in fact, make mistakes).

The potential for catastrophe is greatest in situations involving systems with a high degree of technological complexity where the price of failure is high - flying a commercial airliner, for example, or performing emergency trauma surgery. Possibly one of the most chilling results reported in the book is the percentage of survey respondents who agreed with the statement:

"Even when fatigued, I perform effectively during critical times"

Only 26% of pilots agreed. Among surgeons, the agreement rate was 70%.

There's an episode of "Malcolm in the Middle" where the boy genius is being prepped for appendix surgery. When the surgeon leans over to make the incision, he finds the elaborate checklist Malcolm has carefully scrawled in magic marker all over his stomach. You have to think the kid was on to something. We know Atul Gawande would agree (http://www.goodreads.com/review/show/...).

Joseph T. Hallinan has written a fine book. I recommend it highly.
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Jun 01, 2009 Lena rated it 4 of 5 stars

Shelves: how-the-brain-works, non-fiction

Of the various books I've read on the quirks of human cognition and how they affect our lives, this is one of the most readable. Journalist Joseph Hallinan has a storyteller's ability to take some of the most interesting research on problems with how our brains process information and weave it into a very effective argument for why it's a really, really bad idea to try to text while driving.

Hallinan begins his book with a chapter titled "We Look But We Don't Always See," addressing how limitati...more

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May 12, 2010 Ann rated it 5 of 5 stars

Shelves: audiobook, science, nonfiction

Edit! Gotta tell you guys that Joeseph Hallinan is the nicest writer ever. I wrote and asked him about visual inspection errors, and he actually called me to tell about people doing research in that area I could get in contact with. THAT is above and beyond. How amazing is that?

**

Easy science read on why we make the kinds of mistakes we do. I thought it was excellently written, and the audiobook version was well done...though some of the 'try it yourself at home' quizzes don't translate as well...more

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Aug 13, 2012 Stewart rated it 3 of 5 stars

Two months ago, I read the excellent book "Being Wrong: Adventures in the Margin of Error" by Kathryn Shulz. So when I saw "Why We Make Mistakes: How We Look Without Seeing, Forget Things in Seconds, and Are All Pretty Sure We Are Way Above Average" at a local bookstore, I bought it. The author is Joseph T. Hallinan, former writer for the Wall Street Journal.
While Hallinan’s book does not have the wide range of Shulz’s, and does not immerse itself into psychology and philosophy post-error, it...more Two months ago, I read the excellent book "Being Wrong: Adventures in the Margin of Error" by Kathryn Shulz. So when I saw "Why We Make Mistakes: How We Look Without Seeing, Forget Things in Seconds, and Are All Pretty Sure We Are Way Above Average" at a local bookstore, I bought it. The author is Joseph T. Hallinan, former writer for the Wall Street Journal.
While Hallinan’s book does not have the wide range of Shulz’s, and does not immerse itself into psychology and philosophy post-error, it does provide insight into a few of the causes of mistakes, from the innocuous (forgetting names) to the deadly (airplane and car crashes and medical mistakes at hospitals). The bibliography runs 34 pages.
There are many aspects of making mistakes that Hallinan covers, but I want to look at two.
In a chapter called “We Like Things Tidy,” the author points out that humans unconsciously simplify the world, as when we try to recreate a conversation, a map, or a piece of music, for instance. When asked the question if Reno is east or west of San Diego, most people will think, “Nevada is east of California, therefore Reno must be east of San Diego.” However, as a quick look at a map will attest, Reno is about two degrees of longitude to the west of San Diego. In fact, Reno is at about the same longitude of Santa Barbara, which is west of Los Angeles.
Hallinan punctures a hole in many people’s smug assertion that they can successfully multitask, in a chapter titled “We Can Walk and Chew Gum – but Not Much Else.” Multitasking “is one of great myths of the modern age. Although we think we are focusing on several activities at once, our attention is actually jumping back and forth between the tasks. Not even a computer, by the way, can multitask; it actually switches back and forth between tasks several thousand times per second, thus giving us the illusion that everything is happening simultaneously.”
Watching television and doing homework at the same time means that we are not doing either particularly well. Driving while texting or making phone calls results in slower reaction times and poor and often dangerous driving. Even hands-free devices seriously distract drivers.
There are many ways to limit errors, Hallinan says: One easy way is just to get more sleep. Another is forgetting about multitasking. And finding out the real reasons mistakes have happened is essential – and this means not blaming others or chance when it was you who made the mistake.
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May 16, 2009 Brian Saul rated it 5 of 5 stars

Very interesting summary of countless studies on reasons we goof up. Part way through, I was beginning to believe there's no way to avoid making mistakes. Later on, I was reminded that one could learn from one's own mistakes, but it's infinitely better to learn from OTHERS' mistakes. Except that we, generally, don't. The author's conclusions: One can expect to make _fewer_ mistakes, but it involves several skills and techniques such as thinking small. "The tiniest little change in circumstance c...more Very interesting summary of countless studies on reasons we goof up. Part way through, I was beginning to believe there's no way to avoid making mistakes. Later on, I was reminded that one could learn from one's own mistakes, but it's infinitely better to learn from OTHERS' mistakes. Except that we, generally, don't. The author's conclusions: One can expect to make _fewer_ mistakes, but it involves several skills and techniques such as thinking small. "The tiniest little change in circumstance can have big impacts on people's behavior." I guess that means, "Sweat the small stuff - and it's all small stuff". Not so encouraging. Here's a good conclusion he drew: "We often think we're being rational when we're being visceral, and vice versa. When a mistake does happen, we often end up blaming the wrong cause." Hmmm. Another:"Let a non-expert proofread". People outside the field often spot errors the experts miss because the latter are often too close to the subject. An important factor in avoiding errors: Get some sleep. "With increasing fatigue, people demonstrate a greater willingness to take risks." One example, "When medical residents reported working five marathon shifts in a single month, their risk of making a fatigue-related mistake that harmed a patient soared by 700%." Corollary lesson: Stay out of the hospital! Not surprisingly, relative happiness is a factor in avoiding errors. "Happy people tend to be more creative problem solvers. They also make decisions more quickly, with less back-and-forth." Interesting to note, also, is that incentives such as money don't necessarily increase production w/ fewer errors. "Financial incentives do not affect average performance." Which is to say, people given monetary rewards will tend to work _harder_, but not necessarily _smarter_ on a given task.
Lastly, the author states "...it's not where you live that makes you happy; it's how you use your time. Forgetting that may be the biggest mistake of all." This was truly a good read!(less)

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Jun 11, 2010 Jackie rated it 4 of 5 stars

Lots of ideas substantiated with data and studies... Depressed people see things realistically. Happy people think outside of the box. It is easier to not act than to act and make a mistake. The line to the left will almost always be shortest. We make decisions part from the gut and part from being rational-- the problem is when we make a smart decision we don't know how the decision was made. One way to improve the quality of your decisions is to document your decisions (i.e. not just why you c...more

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Dec 05, 2011 M Griffin rated it 3 of 5 stars

Mildly interesting, at times insightful, yet mostly shallow, anecdotal, and lacking any major revelations. Much of what is presented here is basically common knowledge among people interested in human psychology and behavior. For example, much is made of such matters as people being unreliable eyewitnesses, the majority of people being overconfident about their knowledge and capabilities, and the way that our own misapprehension of our aptitudes and weaknesses interfere with our ability to impro...more

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Jun 07, 2010 Dennis rated it 4 of 5 stars

Quick and interesting read if you like practical psychology. Falls in the same category of books as Outliers, Blink and Freakanomics (but a lot more applicable). Gives great examples throughout of why/how we make mistakes and the last chapter gives great recommendations on how to avoid them. For example:

“A large percentage of people cannot tolerate mistakes. This is particularly true for people who believe that intelligence is fixed and cannot change; in their eyes, a mistake is a reflection of...more

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Aug 08, 2009 Alison Livingston rated it 5 of 5 stars

Another truly fascinating foray into the human brain and its tendency to skim, look over things, and assume it knows better. Hallinan cites numerous famous (stupid) mistakes occur and how they could have been avoided, not by paying more attention (though certainly that could have avoided disaster) but by having the manufacturer involved know how the human mind actually works. Unlike other similar books, the author gives examples on things we can do to make ourselves less mistake prone, but even...more

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Mar 28, 2009 Steven Peterson rated it 5 of 5 stars

This is a provocative book. When you think about, we all know that lots of people really make stupid decisions. Question: Why are such mistakes made? That is the focus of this well written volume.

The subtitle reads: "How we look without seeing, forget things in seconds, and are all pretty sure that we are way above average." One aspect of our thinking that can cause problems, to illustrate what the book considers: framing. How issues are presented to us, or framed, affects our decisions. Pretty...more

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Feb 22, 2012 Tom rated it 3 of 5 stars · review of another edition

Shelves: non-fiction, psychology

In the conclusion of Why We Make Mistakes, Joseph Hallinan warns his readers not to pay too much attention to anecdotes. Which is great, except that the entirety of the book to that point is a collection of anecdotes, with references to some studies along the way. This probably suffers by comparison from my having read The Upside of Irrationality: The Unexpected Benefits of Defying Logic at Work and at Home so recently; I find that the perspective of a researcher in the field gets a deeper dive...more

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Aug 06, 2011 Elizabeth McDonald rated it 2 of 5 stars

Shelves: non-fiction

This book was a summary of psychology research about perception, forgetfulness, judgement, and other components of human error. It was a fast, pop-science kind of read, written for the weekend psychologist - I finished it in maybe two hours.

The book is full of anecdotes that make you go "Huh, that's interesting," and perhaps even read a paragraph aloud to whomever's nearby - but it lacked zing. Possibly part of the trouble is that I had read about some of these phenomena before and so wasn't dul...more

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Jul 29, 2009 Kathy rated it 4 of 5 stars

This was the most comforting book I have read in a long while. It explains that our brains are wired in a certain way and so are the mistakes we all make. For example, names are hard to remember because they have very little meaning, other than as random syllables that indicate a certain person. We can remember their job or their family status or their connection to us much more easily because that has more content we can remember.
The book was full of that type of explanation for mistakes we all...more

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Aug 05, 2009 Kevin rated it 3 of 5 stars

Another in my series of easy, thought provoking reads which have included Blink, Outliers and this book to name a few. Here is what I learned:

1) Why men don't ask for directions (totally agree with this)
2) Why gamblers are overconfident (agree. again)
3) Who makes the most mistakes
4) There is no such thing as human multi-tasking

A fun, easy and informative book. Joseph Hallinan has a good sense of humor while still keeping things tight and moving. Unusually arranged and presented (jumped around it...more

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May 11, 2009 Sue rated it 4 of 5 stars

Shelves: nonfiction

I thought this book answered its title well. You do find out the many different reasons that we make mistakes. In fact, there are so many reasons for us to make mistakes, it's somewhat of a miracle that we actually get as much done correctly that we do. Hallinan also discusses how to take the knowledge of why we make mistakes and apply it so that we make less mistakes. I think this book should be required reading for organizations and companies where mistakes should be minimized -- hospitals, pa...more

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Apr 06, 2010 Rjurban rated it 3 of 5 stars · review of another edition

This book is not what I thought it would be but it was an interesting read all the same.

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Jun 30, 2010 Kevin added it · review of another edition

Honestly... I only THINK I read this book but can't really remember.

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“As a general principle, people feel more responsible for their actions than they do for their inactions. If we are going to err at something, we would rather err by failing to act.” — 3 people liked it

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