MMasters in Business
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Thomas D. Gilovich25 January 2018

Thomas D. Gilovich Talks About Human Behavior

4Frameworks
13Insights

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Frameworks in this episode

Insights & moments

The myth-busts, hot takes, explainers, and tools worth keeping.

Myth Buster· 2

Myth Buster10:37

The Hot Hand Feeling Does Not Reliably Predict the Next Shot

Gilovich separates the hot-hand belief into three links: previous performance changes feelings, feelings are assumed to improve subsequent shooting, and the next shot is expected to succeed. Experiments found strong evidence for the first link but little or no predictive power from the feeling of being hot to making the next shot.

  • Recent makes strongly affect how players feel
  • Feeling hot changes confidence and shot selection
  • Self-rated heat poorly predicts the next basket
  • Players greatly overestimate actual streakiness

“The belief in the hot hand is really a three link chain. Previous performance affects how you feel. How you feel affects subsequent performance”

Tom Gilovich · 12:10

“However, the bets that they choose are not very good predictors of what's going to happen next?”

Tom Gilovich · 16:26
#basketball#hot hand#prediction#statistics
Myth Buster55:01

The Five Stages of Grief Can Harm People Who Grieve Differently

Research does not support treating grief as a universal fixed sequence. People follow many trajectories, and converting a descriptive stage theory into a normative rule can burden patients who are already suffering by implying that their reactions are pathological.

  • Grief trajectories vary widely
  • Stage theories detect more order than may exist
  • Descriptive models can become harmful prescriptions
  • Caregivers should not pathologize deviation from a fixed sequence

“people are all over the map.”

Tom Gilovich · 56:45

“The problem with a firm belief in stage theories is that they take on this normative stance, this is what you should do.”

Tom Gilovich · 57:20
#grief#stage theories#psychology

Hot Take· 1

Hot Take51:12

People Respond to What an Incentive Means, Not Just Its Value

Economic incentives influence behavior through interpretation rather than as raw stimuli. The same price or reward can produce different reactions when framed as a bargain, insult, endorsement, penalty, or signal of quality.

  • Incentives do not carry fixed psychological meaning
  • Interpretation mediates behavioral response
  • Perceived bargains can create utility independent of the product
  • Understanding construal is central to management and campaigning

“people don't respond to the incentives themselves. They respond to the meaning that they assigned to uh those incentives.”

Tom Gilovich · 51:47

“we don't respond to the stimuli we encounter. We respond to the meaning that we assigned to them.”

Tom Gilovich · 51:59
#incentives#framing#behavior

Explainer· 6

Explainer04:38

Why Useful Rules of Thumb Still Produce Predictable Errors

Heuristics are rough approximations that usually work because they exploit cues correlated with reality. Bias emerges when the context breaks that correlation, as haze makes distant objects look even farther away and unusually clear air makes mountains appear closer.

  • Heuristics are practical rules of thumb
  • Their usefulness depends on environmental conditions
  • Systematic errors arise when context changes the reliability of a cue

“It's generally defined in the behavioral economics world as a rough approximation seed of the pants uh rule of thumbs”

Tom Gilovich · 05:06

“But on a hazy day, that's gonna make things seem farther away than they really are.”

Tom Gilovich · 06:02
#heuristics#biases#perception
Explainer06:19

Why the Checkout Line You Abandoned Always Seems Faster

Emotionally painful mistakes receive more attention and remain more memorable than ordinary outcomes. That uneven memory creates a biased internal database, making unlucky line changes and broken no-hitters appear more common or causally meaningful than they are.

  • Regrettable choices receive disproportionate attention
  • Memorability distorts estimates of frequency
  • Superstitions form when salient events are falsely associated

“And because it's more annoying, it's more memorable, and therefore, UH, you're gonna have a distorted sense in your head of how common it is.”

Tom Gilovich · 07:51

“you draw an association between those two and those are gonna stand out”

Tom Gilovich · 08:22
#memory#availability bias#superstition
Explainer29:24

Why Success Cannot Prove Your Selection Process Works

Organizations judge selection quality by observing the people they accepted, while rejected candidates disappear from view. Without the missing counterfactual, an impressive accepted group may reflect a strong applicant pool rather than accurate selection.

  • The world highlights available evidence and hides alternatives
  • Accepted candidates cannot reveal how rejected candidates would have performed
  • Self-selection can make an institution's screening process look better than it is

“the world doesn't play fair. That is, it doesn't it's not doesn't put you through a series of controlled experiments.”

Tom Gilovich · 29:42

“we don't really know that because we don't know about the people who we rejected who could be there.”

Tom Gilovich · 30:35
#selection bias#counterfactuals#evidence
Explainer31:14

Confirmation Bias Begins Before You Evaluate the Answer

Confirmation bias does more than soften scrutiny of agreeable evidence. Initial beliefs determine which questions people ask, and those questions can elicit confirming answers from people with opposing views. Even neutral prompts about similarity or dissimilarity direct attention toward evidence that supports the requested judgment.

  • People seek evidence consistent with an initial hypothesis
  • Leading questions can confirm opposing characterizations
  • Knowledge supplies evidence for whichever dimension is requested
  • The bias operates even without a preferred outcome

“But the confirmation bias is even more insidious, more pervasive than that.”

Tom Gilovich · 33:40

“You asked me how similar they are. I look for evidence of similarity”

Tom Gilovich · 36:44
#confirmation bias#questions#beliefs
Explainer38:39

Why a Larger Dollar Figure Can Represent Less Real Wealth

The money illusion occurs when nominal amounts dominate judgment and inflationary context is neglected. Twenty thousand dollars feels larger than ten thousand even when changes in purchasing power make the newer amount worth less in real terms.

  • Nominal figures create powerful first impressions
  • Inflation changes the meaning of monetary amounts
  • Real purchasing power can move opposite to the displayed number

“twenty thous dollars sounds a lot more than ten thousand dollars, and we can lose sight of the context”

Tom Gilovich · 39:43

“real dollars, the twenty thousand is less than the ten thousand used to have”

Tom Gilovich · 39:54
#money illusion#inflation#finance
Explainer40:14

Why Identical Dollars Feel Different Depending on Their Source

Rather than maintain one integrated balance sheet, people divide money into psychological accounts. An inheritance, bonus, tax refund, or gambling gain acquires a distinct emotional character that changes spending behavior even though the dollars are economically interchangeable.

  • Integrated balance-sheet thinking generally improves financial decisions
  • People segregate money by source and intended use
  • Windfalls are often treated as spendable rather than fungible
  • A single bonus may mentally justify several purchases

“Instead, we put money into different accounts um and we treat it differently.”

Tom Gilovich · 40:38

“Money comes with almost a personality”

Tom Gilovich · 41:14
#mental accounting#windfalls#personal finance

Story· 1

Story27:32

The Bigger-House Trade That Can Make You Less Happy

People predict that a larger home will deliver lasting happiness, but its extra space soon becomes normal. A longer and highly variable commute often resists adaptation, leaving the buyer with a fading benefit and a recurring burden.

  • People overpredict lasting happiness from larger homes
  • Extra space becomes the new normal
  • Variable commuting stress resists adaptation
  • A visible upgrade can conceal a persistent lifestyle cost

“people don't tend to adapt to the trauma of a long commute.”

Tom Gilovich · 28:38

“You get the bigger house, you are happy for a while than you adapt to it. You're saddled with this long commute to which you…”

Tom Gilovich · 29:10
#happiness#housing#commuting#adaptation

Takeaway· 3

Takeaway19:19

Why Inaction Hurts Less Today but More Over a Lifetime

Mistakes of action hurt sharply in the short term, encouraging regret aversion and passivity. Over time people repair, rationalize, or find silver linings in actions, while unchosen possibilities remain idealized and can grow into lasting regrets.

  • Action errors produce stronger immediate regret
  • People reduce action regret through repair and reframing
  • Unchosen alternatives remain open to idealization
  • Long-term regret is often dominated by inaction

“short term, the bias against action is a manifestation of regret aversion.”

Tom Gilovich · 21:00

“So over time, regrets of inaction either don't shrink like the action ones do, or they even grow over time.”

Tom Gilovich · 22:27
#regret#inaction#decision making
Takeaway17:13

What Tversky Taught Gilovich About Sweating the Final Details

Gilovich recalls Amos Tversky continuing to move sentences and refine individual words after their hot-hand paper appeared finished. The lesson was that brilliance is insufficient without disciplined effort, enthusiasm, and attention to marginal improvements.

  • Excellent work continues after the main insight is complete
  • Small editorial improvements compound
  • Elite thinkers combine ability with sustained effort
  • Passion supports detailed execution

“You're never really done and things can always be made better.”

Tom Gilovich · 18:31

“Brilliance is necessary, but not sufficient”

Barry Ritholtz · 19:04
#craft#hard work#amos tversky
Takeaway1:09:51

Do Engaging Work Instead of Waiting for One Perfect Passion

Gilovich rejects the pressure to discover a singular passion before acting. He advises students to explore engaging subjects, stretch themselves, and accumulate intellectual capital because future labor-market needs are too uncertain to predict precisely.

  • Not everyone needs one defining passion
  • Exploration can reveal interests through action
  • Narrow vocational optimization may age poorly
  • Broad intellectual capital preserves future options

“It's okay to not have a passion.”

Tom Gilovich · 1:10:18

“So just keep building your your intellectual capital and don't worry so much about the outcome.”

Tom Gilovich · 1:11:28
#careers#education#exploration