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1-Page PDF Summary of Range

For years, we’ve been taught the same formula for success: Start practicing as soon as possible, and don’t stop until you’re the best in the world. If you haven’t already been training, there’s no point in starting now—you’re too far behind. However, luckily for us, this formula for success is a myth. The true path to excellence is far more flexible.

David Epstein is a former writer for Sports Illustrated who has built his career writing about the science behind athleticism. In Range, Epstein makes the case for generalism: a broad competence in many areas rather than the extreme mastery of one. Not only does cultivating range free you to pursue more of your interests, it entails professional advantages you never could have predicted.

In this guide, we’ll trace Epstein’s ideas to the books and thinkers that inspired him and take a closer look at the studies he cites, including intriguing details that he chose to leave out.

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Instead of picking one skill and trying to stick with it for your whole life, Epstein suggests that you:

  • Explore and Experiment
  • Specialize Inefficiently
  • Be Prepared to Pivot

We’ll examine each of these life stages in turn.

Stage 1: Explore and Experiment

Epstein asserts that the first step to mastery is an era of exploration and experimentation with different activities—a “sampling period,” as he calls it. Musicians, entrepreneurs, and athletes alike benefit from a period of early exploration, for a couple of reasons.

First, Epstein establishes the principle that broad learning teaches transferable skills. Basic training in a wide range of activities teaches a unique kind of skillset—one founded on instincts and principles that apply across disciplines rather than habits that apply in only one context.

A study conducted at a high-level music boarding school found that the highest-performing students didn’t practice more than others, took fewer formal lessons, didn’t start playing at a younger age, and didn’t even come from musical families. Instead, what set them apart was the number of instruments they knew how to play. The most exceptional students typically spread their practice time across three instruments.

(Shortform note: Science shows that there are limits to how far skills can transfer. Psychologists first distinguished between “near transfer” and “far transfer” of learning in 1923. You can use your experience with one musical instrument to help learn another, but it doesn’t make you better at math. The former is near transfer while the latter is far transfer. Experience can transfer proportionally to the number of similar elements shared by two activities—near transfer is a valuable learning tool, but far transfer has been largely debunked. Despite arguments to the contrary, teaching kids chess or piano doesn’t somehow make them smarter in school.)

Second, a period of exploration increases your chances of discovering a pursuit that’s a good fit for you—something that suits your inherent talents and that you’re excited about pursuing.

Extending this idea, Epstein suggests that parents should nurture exploration in their children, allowing them to discover their own likes and dislikes. Eager parents try to get their kids to skip the era of exploration by choosing lifelong pursuits for them as early as possible—often a particular musical instrument or sport. However, an externally-imposed specialization is far less likely to be a good fit than one you choose for yourself. A study of 1,200 musicians showed that kids who had their destinies chosen for them were far more likely to quit later down the road.

Exploring Employment: What Season Are You In?

Before you start putting in the work to become a master at something, you need to explore long enough to find out what’s motivating you. If you skip the exploratory period and begin specializing in something you’re not personally driven to pursue, you won’t care enough to push through the difficulties required to succeed. Finding a job that’s a good fit for you requires identifying what you want to get from that job.

Financial guru Ramit Sethi has organized the most common career motivations into three categories he calls “Career Seasons.” You’re in the season of “Growth” if you’re primarily motivated to jumpstart your career and rise as quickly as possible. You’re in “Lifestyle” if your primary goals lie outside your career, for example, spending more time with family. You’re in “Reinvention” if you feel unfulfilled on your current life path and want to start totally fresh on something new.

Sethi calls these stages “Career Seasons” because over the course of your lifetime, your priorities will change, and you’re likely to cycle through these stages more than once. It’s important to be conscientious of your shifting priorities. If you feel you’ve outgrown your current job, it may be time to go exploring again.

Stage 2: Specialize Inefficiently

After an era of exploration in which they’ve built up a broad base of experience and found an activity that’s a good fit for them, generalists do engage in specialized practice, but they do so differently than traditional specialists.

Epstein argues that, unlike the rigorous drills practiced by specialists—for example, a piano player practicing her scales—we shouldn’t optimize learning for efficiency, as the most effective learning is slow and difficult.

Epstein cites a study observing undergraduate-level calculus classes at the Air Force Academy. Over the course of a decade, researchers studied the performance of more than ten thousand students and a hundred different professors, who all taught the exact same curriculum. Some professors emphasized broad, interdisciplinary understanding, while others emphasized the efficient mastery of specific procedures that would be on the test.

The latter group of professors, who prioritized efficient memorization, yielded students with higher test scores and earned more positive student evaluations than the professors who emphasized general knowledge. However, once the students advanced to Calculus II and more complex math classes, students of deep learning vastly outperformed their procedurally-minded peers. Lasting, useful knowledge takes time to learn.

This holds true even for narrow skills like playing a musical instrument. Epstein finds that many jazz legends taught themselves how to play, without formal lessons, through an excruciatingly inefficient process of trial and error. By teaching themselves, these musicians not only mastered their instruments forward and backward, they discovered the unique skill of effortless improvisation, developing a creative instinct that classically trained musicians could never match. The slow struggle of experimentation provides its own unique, lasting skills in any pursuit.

The Strengths and Weaknesses of “Overlearning”

Countering Epstein’s argument that efficient specialists miss out on the depth of inefficient practice, recent research has identified the benefits of “overlearning”: practicing a skill after you’ve already achieved proficiency. If specialists can continue to train their existing skills indefinitely, the efficient path to mastery doesn’t seem to miss much. However, research shows that overlearning in narrow specialized domains may limit these specialists in a different way.

In one study on overlearning, two groups of subjects were trained to identify subtle striped patterns embedded in static on a screen. One group was assigned to overlearn, practicing for twenty minutes after both groups had already learned to pick out the correct pattern. The next day, the overlearners were able to complete their task far better than those who didn’t overlearn. However, when asked to perform a new task—identifying a slightly different pattern in the static—the overlearners actually performed worse than the control group.

What does this tell us? The researchers concluded that the overlearners’ weakened performance was a side effect of their “resilient” experience with the first task. They had learned the first skill so well that they found it difficult to stray from the procedure. In other words, overlearning narrow skills hinders the application of those skills in new contexts.

When specialists attempt to learn adjacent skills, like classical musicians attempting to improvise or Air Force Academy students advancing to Calculus II, their overlearning of narrow procedures may do more harm than good.

Stage 3: Be Prepared to Pivot

Even after they’ve specialized enough to become a master in their field, generalists approach life differently than specialists. We live in a constantly changing world, and you need to be prepared to pivot—that is, to start chasing an entirely new specialization, if need be.

Often, we see pivoting as a sign of weakness, giving up on what we’ve promised to do—a deficiency of “grit.” Epstein disagrees, arguing that too much commitment can be just as harmful as not enough. He cites a Gallup survey showing that 85% of workers around the world are either “not engaged” at work or “actively disengaged.” This shows that many people are far too committed to the jobs they currently have and suffering for it.

Contrary to accepted wisdom, Epstein argues that it’s better to chase whatever opportunities you’re passionate about in the short term rather than committing to a single long-term goal or vision for your future. This is because people change, and it’s impossible for you to know how much you’ll change. A job that was a good fit for you ten years ago may not be anymore, and you’ll need to pivot. Additionally, it’s impossible to predict what opportunities will or won’t be available in the future, so planning your life out ahead of time and refusing to quit will unnecessarily limit your options.

The Pitfalls of Passion

In his book So Good They Can’t Ignore You, Cal Newport warns against making passion the primary guide of your career decisions. You shouldn’t be afraid to pivot if you’re stuck in a job you hate, but you shouldn’t expect your career to be transcendently fulfilling and refuse to specialize at all, either.

In Newport’s eyes, it’s alright to start a career in something you’re not passionate about. The idea that everyone has a single life purpose that they need to discover in order to be happy is a myth. In fact, studies have found that most people aren’t passionate about their dream jobs until after they’ve been working there for several years.

This is because the elements of motivation that get you excited to go to work in the morning are extremely different than most people expect. Psychologists have developed a framework called self-determination theory, identifying the primary contributors to motivation as autonomy, competence, and relatedness—that is, how much you feel you’re in control over your responsibilities, how skilled and capable you feel, and how connected you feel to those around you. None of these require a deeply emotional divine calling—you can acquire them as you work.

Generalists Have More Creative Ideas

Epstein asserts that generalists are better at coming up with new ideas and solving problems in creative ways, making them far more valuable in the professional world than specialists.

Firstly, their diverse background experience makes it easier for them to think analogically—that is, using analogies to discover commonalities between dissimilar situations. For example, a start-up CEO struggling to decide whether to sell her rapidly growing company could inform her decision by studying 20th-century farmers who discovered massive wealths of oil underneath their land. Analogical thinking is effective because seemingly unrelated problems often have the same underlying structure, enabling similar solutions.

Secondly, generalists are better at lateral thinking, the use of pre-existing knowledge in a new context. Epstein writes extensively about cases in which outsiders with less expertise and less information about a given situation solve problems that have stumped teams of experts for years. They’re able to come up with ideas specialists never would because they’re drawing from a different background.

Lastly, the fact that creativity is all about bringing together ideas in new ways reveals the practical value of diversity in the workplace. Epstein notes that team members with diverse backgrounds bring together diverse ideas, making it more likely that they’ll come up with something new. For this reason, scientists who have worked abroad at some point in their lives, on average, make more impactful discoveries.

Creativity Requires Inefficiency

These three generalist strategies show that it’s impossible to efficiently specialize in creativity. Likewise, the management strategies that yield the most creative ideas are often the opposite of those required for efficient procedural work. Robert Sutton, author of Weird Ideas That Work, concludes that the most innovative organizations are “inefficient (and often annoying) places to work.”

Sutton offers another piece of counterintuitive advice: Managers of creative teams should reward employees for success and failure and only punish employees for inaction. Quantity, not quality, is the path to creative success.

Here’s another: Companies that want innovation should hire employees that often refuse to listen to bosses or coworkers. The Xerox employee who invented the laser printer was someone like this. He was working at a research and development lab, an organization whose sole purpose is innovation, yet when he suggested they look into the blossoming new potential of laser technology, he was dismissed by his coworkers and ordered to stop looking into it by his boss. Fortunately, he complained to someone higher up, got transferred to a new lab, and revolutionized the printing industry.

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Here's a preview of the rest of Shortform's Range PDF summary:

PDF Summary Shortform Introduction

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Connect with David Epstein:

The Book’s Publication

Publisher: Penguin Random House

Imprint: Riverhead Books

Range was published in 2019, becoming a New York Times bestseller. This is his second book, preceded in 2013 by the best-selling The Sports Gene, a deep dive into the various ways both genetics and life experience impact an athlete’s potential for success. Range is a broader application of many of the ideas in The Sports Gene (where Epstein first challenged the 10,000-hour rule) and is more directly argumentative.

Since Range’s publication, Epstein has started the Range Widely newsletter, intended to help readers “expand their range” and learn about interesting connections between seemingly unrelated fields.

The Book’s Context

Range’s thesis directly challenges many popular books on the subject of...

PDF Summary Part 1: Why the Specialist’s Path to Excellence Falls Short

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The term “deliberate practice” was first defined by Anders Ericsson, a Swedish psychologist and expert on human expertise, whom Gladwell cites extensively in Outliers. Deliberate practice is a uniquely intense form of training intended to endow mastery in the most efficient way possible. It involves breaking down a skill into its component parts and rigorously repeating each part until it becomes effortless. Often, coaches or mentors provide guidance and feedback. You can read more about deliberate practice in our guide to Ericsson’s book Peak.

The Traditional Path to Excellence

According to Epstein, the traditional path to excellence has been more or less treated as common sense for years. Obviously, if you want to get good at something, you have to practice a lot. By this logic, the path to success is to start deliberately practicing as early as possible.

If you believe in a purely linear relationship between practice time and success, specializing at a young age and never deviating from a given path would allow humans to accomplish never-before-seen...

PDF Summary Part 2.1: The Generalist Explores and Experiments

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Epstein recounts that the girls only had formal lessons three days a week, although they were allowed to practice in their spare time—which wasn’t much. The orphanage eventually devoted more time to music practice after the figlie became famous, but at first, the orphans were only allowed to practice for an hour a day, in between schoolwork and chores.

According to Epstein, what made the figlie’s training uniquely successful was the number of different instruments they were required to learn. The girls were encouraged to learn every instrument the orphanage owned, and many achieved virtuoso-level skill on multiple instruments.

This same phenomenon has been studied among modern-day musicians. A study conducted at a high-level music boarding school found that the highest-performing students didn’t practice more than others, took fewer formal lessons, didn’t start playing at a younger age, and didn’t even come from musical families. Instead, what set them apart was the number of instruments they knew how to play. The most exceptional students typically spread their practice time across three instruments.

The Limits of Transferable Learning

While...

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PDF Summary Part 2.2: The Generalist Specializes Inefficiently

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Learning Strategy: “How” Questions Versus “Why” Questions

Epstein distinguishes between two types of problems given to students in educational settings—what psychologists have termed “using procedures” questions and “making connections” questions. We can more simply describe them as “How” questions and “Why” questions.

For How Questions, students are asked to carry out specific instructions—for example, reducing a fraction to its simplest form—while for Why Questions, students are asked to analyze a situation and determine for themselves what procedures they need to use—for example, calculating how much money to tip at a restaurant.

Epstein notes that to solve How Questions, students just need to memorize how to do something—tactics which are best learned through repeated practice. To solve Why Questions, however, students need to understand why specific procedures are helpful in a broader context that more closely approximates the real world—they need strategies that require generalist understanding.

Both types of questions are necessary for effective learning. You need to know the rules of basic math in order to calculate a tip at a restaurant. However, **because...

PDF Summary Part 2.3: The Generalist Is Prepared to Pivot

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While Duckworth is right to value commitment—after all, if you can’t commit to anything, you’ll never get anything done—she overlooks the fact that too much commitment can be just as harmful. Epstein cites a Gallup survey showing that 85% of workers around the world are either “not engaged” at work or “actively disengaged.” This shows that many people are far too committed to the jobs they currently have—if you’re actively apathetic about what you do eight hours a day, avoiding a job change not only hurts you, but it also the people who count on you at work.

Epstein argues that if a specific pursuit isn’t a good fit for you, sticking it out in the name of grit is the worst thing you can do. He points out that making a big, risky life change often takes more courage than doing nothing and continuing to plug away at whatever is in front of you.

The Dip: How to Know When to Quit

Epstein directly cites Seth Godin’s The Dip in this section—a book all about how grit is overrated.

Many people conflate two very different types of quitting: quitting because you want to refocus on something new...

PDF Summary Part 3.1: Generalists Are More Creative Thinkers

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Analogical Thinking Yields New Ideas

Epstein asserts that one of the most valuable tools generalists have is analogical thinking—the ability to use analogies to discover commonalities between dissimilar situations. For example, a start-up CEO struggling to decide whether to sell her rapidly growing company could inform her decision by studying 20th-century farmers who discovered massive wealths of oil underneath their land.

Analogical thinking is effective because seemingly unrelated problems often have the same underlying structure, enabling similar solutions. Research has shown that generalists’ diverse background experience makes it easier for them to identify this kind of deep structure and make valuable connections.

To prove the value of analogical thinking, Epstein cites a study in which a psychologist observed the problem-solving brainstorming meetings of research labs. The most successful labs were made up of scientists with diverse background experience in a number of different fields, all offering a multitude of analogies. The best group posed an analogy every four minutes on average.

(Shortform note: Kevin Dunbar, the psychologist who conducted this...

PDF Summary Part 3.2: Generalists Consider a Range of Perspectives

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Finally, when confronted with the fact that they were wrong, specialists paradoxically became even more certain of their beliefs.

Radical Anti-Prediction

Author Nassim Nicolas Taleb is notorious for being skeptical (and often disdainful) of experts who overestimate their own knowledge, exhibiting what he calls “epistemic arrogance.” In his book The Black Swan, he, like Epstein, uses Tetlock’s research as the basis for a large part of his argument. In Taleb’s eyes, the world is so complex and unpredictable that there is effectively no difference between “guessing” and “predicting,” and we should take this fact into account whenever we make decisions.

Taleb takes this argument a step further than Epstein and Tetlock, arguing that any attempt to forecast the future of a complex domain is irresponsible, likely to cause more harm than good, and makes a point to avoid making any such predictions himself. He argues that those who forecast for a living should “get another job,” as there is simply no way to forecast well.

The Overconfidence of Cults

The potential for human...

PDF Summary Part 3.3: Organizations Benefit From Range

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Even though the engineers’ logic made perfect sense, NASA employees were in the habit of ignoring reason without data. In Epstein’s eyes, relying on a single solution for a problem it couldn’t solve is what caused the disaster.

An Alternative Lesson From the Challenger Explosion

In Think Like a Rocket Scientist, NASA scientist-turned-lawyer Ozal Varol offers an alternative takeaway from the Challenger disaster. Both the Challenger and the similar 2003 Columbia explosion were preceded by a series of successful test flights, giving the teams at NASA unwarranted confidence in the safety of the next flight, despite evidence to the contrary.

Every success makes us more likely to take bigger risks and make careless mistakes. One study showed that successful financial analysts become overconfident, ironically making their future predictions less accurate than someone with a less successful track record.

Varol points out the principal logical fallacy at work here—just because a system functioned correctly doesn’t mean that every part of that system functioned correctly. Additionally, just...

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