• Home
  • Latest
  • Fortune 500
  • Finance
  • Tech
  • Leadership
  • Lifestyle
  • Rankings
  • Multimedia
Leadership

Why Deception Is Probably the Single Most Important Leadership Skill

By
Jeffrey Pfeffer
Jeffrey Pfeffer
Down Arrow Button Icon
By
Jeffrey Pfeffer
Jeffrey Pfeffer
Down Arrow Button Icon
June 2, 2016, 8:44 AM ET
Donald Trump
The podium and microphone await Republican presidential hopeful Donald Trump as the capacity crowd is seated before his South Carolina Campaign Kickoff Rally in Bluffton, S.C., Tuesday, July 21, 2015. Donald Trump wouldn't apologize after questioning whether Sen. John McCain -- who spent five years as a prisoner during the Vietnam War -- is a war hero. (AP Photo/Stephen B. Morton)Photograph by Stephen B. Morton — AP

The world is awash in claims of the benefits of truthfulness, candor, and transparency. A Google search using the phrase “benefits of candor” returned 30,500 entries, with just six for the opposite phrase, “costs of candor.” The kumbaya nature of leadership advice shows through.

But before you run off and tell everyone precisely what you are thinking and feeling, here are a few pieces of evidence in favor of the opposite approach.

Expectation Effects

About 50 years ago, a Harvard social psychologist and a San Francisco school principal studied Pygmalion effects in the classroom. They found that students who had been labeled, on the basis of fictitious test results, likely to experience spurts in intellectual growth showed increases in measured IQ over the course of the school year. The effect was particularly pronounced for children in the first and second grades. This research led to a boom in similar studies, first in education and then in management and leadership.

An Israeli academic, Dov Eden, conducted a number of studies demonstrating that when leaders communicated high expectations for individuals ranging from sales people to military personnel, those individuals performed at a higher level than people not subjected to similarly high expectations. A subsequent systematic review of the scientific literature confirmed the effects of expectations on performance and found that the effects were more pronounced for people who had previously been poor performers.

There are at least two mechanisms by which expectations have an effect on a person’s performance. One is called defensive effort. People who are told they won’t do well will, reasonably enough, not try very hard. Why waste energy on a fruitless quest? On the other hand, people who are told they are likely to succeed will invest more time and energy because they expect a payoff from their efforts.

Second, people, including teachers and supervisors, behave differently toward people depending on what they are told about those people. One article noted that when a person is provided with stereotype-cuing information about another individual with whom they expect to interact—for instance information about physical attractiveness, intelligence, and so forth—their behavior changes in ways that act to confirm the stereotype. For instance, people who thought they were interacting with a physically attractive person were more sociable, friendly, and likable than those who thought they were interacting with a less attractive individual.

In many cases, for positive expectations to improve performance, leaders or teachers must deliver false or bogus information to the targets. If poor performers are going to improve because they are told they are expected to do great, leaders may have to say things they may not believe.

Placebo Effects

A related phenomenon in medicine is the placebo effect—people who believe they have been given some drug or treatment will react more just because they think they received a potent treatment. For instance, a study of the administration of a stimulant (not a placebo) to cocaine abusers found that the physiological metabolic response was some 50% higher in people who were told they were being given the stimulant compared to people who received the identical dosage but were told they were being given a placebo.

A recent article in the New England Journal of Medicine noted that the therapeutic encounter—the doctor in the white coat, the other symbols and settings of medicine, and the apparent administration of some treatment—activated certain parts of the brain and affected patients’ levels of endorphins and dopamine. The article argued that some of these effects on neurotransmitters were identical to what was achieved when patients took actual drugs.

The potency of the placebo effect coupled with the tremendous contemporary problem of opiate addiction has led to the recommendation to sometimes use “fake” pills to treat patients’ pain. The idea is to achieve pain relief without the administration (and availability) of addictive narcotics.

Once again, for the placebo effect to work, there must be deception. If someone says you are getting a sugar pill, the placebo effect won’t operate and there will be no benefit to the patient.

Self-Fulfilling Prophecies

Placebo and expectation effects are examples of self-fulfilling prophecies—the concept that a certain idea produces behaviors that make the idea, even if originally false, become true. The classic example would be a run on a bank. If people believe a bank is on the verge of failing, they will rush to get their money out, which then causes the bank to fail.

For businesses to succeed, they need the support of investors, the purchases of customers, and the talent and energy of employees. But none of these parties will want to be associated with a company that is going to fail. So, one of the most important tasks of a leader is to convince others that the organization can and will be successful and that it deserves their support. Leaders who convincingly display confidence can attract the support that makes the confident posture become true, as the company becomes successful because others believe it will be and act on that basis.

Sometimes, as Intel co-founder and former CEO Andy Grove once told a Harvard Business School conference in the San Francisco Bay Area, this requires leaders to display confidence that they may not feel and to act as if they know what they are doing even if they don’t.

As quoted in a book I wrote with Bob Sutton, Grove argued that leaders needed to use deception to create the conditions for success: “Part of it is self-discipline and part of it is deception. And the deception becomes reality. Deception in the sense that you pump yourself up and put a better face on things than you start off feeling. But after a while, if you act confident, you become more confident. So the deception become less of a deception.”

Grove also emphasized that leaders should not display uncertainty and insecurity, even if, to quote him again, “none of us have a real understanding of where we are heading.”

Forget for a moment the self-interested benefits that may come to people who deceive others for their own advantage. Suppose leaders have the purest of intentions and just want other people to succeed to fulfill the lofty expectations others may have of them. Or maybe leaders want their organizations to succeed because success inspires others to put in more effort and stay at the company. Or perhaps doctors want to improve treatment outcomes by tapping into the placebo effect.

In all of these instances, people need to be able to convincingly prevaricate—which is one reason I sometimes say that the ability to lie convincingly may be the single most important management skill. Simply put, many situations in management—and medicine—rely on the operation of the self-fulfilling prophecy. The sooner we recognize this and incorporate it into leadership training, the better off we will be.

Jeffrey Pfeffer is the Thomas D. Dee II Professor of Organizational Behavior at the Graduate School of Business, Stanford University, and author of Leadership BS: Fixing Workplaces and Careers One Truth at a Time.

About the Author
By Jeffrey Pfeffer
See full bioRight Arrow Button Icon

Latest in Leadership

Nicholas Thompson
C-SuiteBook Excerpt
I took over one of the most prestigious media firms while training for an ultramarathon. Here’s what I learned becoming CEO of The Atlantic
By Nicholas ThompsonDecember 13, 2025
11 hours ago
Lauren Antonoff
SuccessCareers
Once a college dropout, this CEO went back to school at 52—but she still says the Gen Zers who will succeed are those who ‘forge their own path’
By Preston ForeDecember 13, 2025
12 hours ago
Asiathe future of work
The CEO of one of Asia’s largest co-working space providers says his business has more in common with hotels
By Angelica AngDecember 12, 2025
20 hours ago
Donald Trump
HealthHealth Insurance
‘Tragedy in the making’: Top healthcare exec on why insurance will spike to subsidize a tax cut to millionaires and billionaires
By Nick LichtenbergDecember 12, 2025
1 day ago
three men in suits, one gesturing
AIBrainstorm AI
The fastest athletes in the world can botch a baton pass if trust isn’t there—and the same is true of AI, Blackbaud exec says
By Amanda GerutDecember 12, 2025
1 day ago
Brainstorm AI panel
AIBrainstorm AI
Creative workers won’t be replaced by AI—but their roles will change to become ‘directors’ managing AI agents, executives say
By Beatrice NolanDecember 12, 2025
1 day ago

Most Popular

placeholder alt text
Economy
Tariffs are taxes and they were used to finance the federal government until the 1913 income tax. A top economist breaks it down
By Kent JonesDecember 12, 2025
2 days ago
placeholder alt text
Success
Apple cofounder Ronald Wayne sold his 10% stake for $800 in 1976—today it’d be worth up to $400 billion
By Preston ForeDecember 12, 2025
1 day ago
placeholder alt text
Success
40% of Stanford undergrads receive disability accommodations—but it’s become a college-wide phenomenon as Gen Z try to succeed in the current climate
By Preston ForeDecember 12, 2025
1 day ago
placeholder alt text
Economy
The Fed just ‘Trump-proofed’ itself with a unanimous move to preempt a potential leadership shake-up
By Jason MaDecember 12, 2025
1 day ago
placeholder alt text
Economy
For the first time since Trump’s tariff rollout, import tax revenue has fallen, threatening his lofty plans to slash the $38 trillion national debt
By Sasha RogelbergDecember 12, 2025
1 day ago
placeholder alt text
Success
Apple CEO Tim Cook out-earns the average American’s salary in just 7 hours—to put that into context, he could buy a new $439,000 home in just 2 days
By Emma BurleighDecember 12, 2025
1 day ago
Rankings
  • 100 Best Companies
  • Fortune 500
  • Global 500
  • Fortune 500 Europe
  • Most Powerful Women
  • Future 50
  • World’s Most Admired Companies
  • See All Rankings
Sections
  • Finance
  • Leadership
  • Success
  • Tech
  • Asia
  • Europe
  • Environment
  • Fortune Crypto
  • Health
  • Retail
  • Lifestyle
  • Politics
  • Newsletters
  • Magazine
  • Features
  • Commentary
  • Mpw
  • CEO Initiative
  • Conferences
  • Personal Finance
  • Education
Customer Support
  • Frequently Asked Questions
  • Customer Service Portal
  • Privacy Policy
  • Terms Of Use
  • Single Issues For Purchase
  • International Print
Commercial Services
  • Advertising
  • Fortune Brand Studio
  • Fortune Analytics
  • Fortune Conferences
  • Business Development
About Us
  • About Us
  • Editorial Calendar
  • Press Center
  • Work At Fortune
  • Diversity And Inclusion
  • Terms And Conditions
  • Site Map

© 2025 Fortune Media IP Limited. All Rights Reserved. Use of this site constitutes acceptance of our Terms of Use and Privacy Policy | CA Notice at Collection and Privacy Notice | Do Not Sell/Share My Personal Information
FORTUNE is a trademark of Fortune Media IP Limited, registered in the U.S. and other countries. FORTUNE may receive compensation for some links to products and services on this website. Offers may be subject to change without notice.