25 More Cognitive Biases, As Tweeted By Elon Musk - Deepstash
25 More Cognitive Biases, As Tweeted By Elon Musk

25 More Cognitive Biases, As Tweeted By Elon Musk


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25 More Cognitive Biases, As Tweeted By Elon Musk

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We think nostalgically about the past and see the world going downhill from there.

Example: “Back then, we never even thought about locking our doors!”


767 reads

Availability Cascade

Collective beliefs grow stronger the more people parrot them.

Example: A study linking vaccines to autism (despite being disproved) compels many to avoid them altogether.


648 reads

Status Quo Bias

We take comfort in consistency and see any disruption as a burden.

Example: Despite being in a toxic relationship, Jack doesn’t want to go through the trouble of breaking up (and going on first dates again).


521 reads

Sunk-Cost Fallacy (aka Escalation of Commitment)

We’re reluctant to pivot from a strategy in which we’ve already invested so much time and energy.

Example: You keep watching the movie or reading the book even though it sucks.


485 reads

Gambler’s Fallacy

Believing a random event is more or less likely to happen based on preceding events.

Example: The roulette ball landed on black the last four times, so you decide to put everything on red.


426 reads

Zero-Risk Bias

We would rather nip small risks in the bud even when another strategy would mitigate overall risk.

Example: You opt for that sugar-free soda, not realizing the artificial sweeteners it contains might actually be worse for you.


368 reads

Framing Effect

The tendency to interpret the same information differently depending on context.

Example: You perceive wine as better tasting when it’s served in a crystal glass versus a plastic cup.


373 reads


We fall back on surface-level beliefs about a group instead of looking at individuals within that group.

Example: “That guy with the tie-dye T-shirt must be a pothead.”


359 reads

Outgroup Homogeneity Bias

We view our ingroups as diverse and outgroups as all the same.

Example: Brad doesn’t own a gun and assumes anyone who does has violent tendencies.


347 reads

Authority Bias

The tendency to put our faith in authority figures.

Example: “The President said it, so it must be true!”


331 reads

Placebo Effect

The power of the mind to bring about the desired effect from an ineffective treatment.

Example: In a clinical trial, 80% of those who took a sugar pill reported signs of improvement.


305 reads

Survivorship Bias

Focusing on successes and ignoring failures.

Example: You assume entrepreneurship is easy because all you see are successful founders in magazines.


306 reads


We perceive time differently when under stress or trauma.

Example: “When the robber pulled a gun on me, everything seemed to stop.”


311 reads

Law of Triviality

We spend inordinate amounts of time and effort on trivial issues while ignoring the ones that matter.

Example: The mayor devotes an entire committee to keeping the sidewalk clean but does nothing to help the homeless.


272 reads

Zeigarnik Effect

We tend to recall interrupted tasks more than completed ones.

Example: Despite earning perfect marks in his annual company review, Bill fixates on that one project he dropped the ball on and feels guilty every time he comes to work.


266 reads

IKEA Effect

We tend to value things more when we have a part in their creation.

Example: “Isn’t this a beautiful coffee table? I put it together myself!”


291 reads

Ben Franklin Effect

Doing a favor for someone else makes us more likely to do more versus returning a favor they did for us.

Example: You didn’t like Brad at first, but after he asked for your advice, you've been looking for more ways to help him.


260 reads

Bystander Effect

We are less likely to intervene in a bad situation when there are more people around.

Example: Everyone just watched instead of calling 911 when the bar fight turned ugly.


259 reads

When your self-perception changes in response to a leading question.

Example: You call in sick from work, and your boss asks, “How did you get COVID?”


267 reads

Clustering Illusion

Our tendency to see patterns in randomness.

Example: “That cloud looks like a rider on horseback.”


270 reads

The overestimation that only bad things will happen.

Example: “It can only get worse from here!”


277 reads

Blind Spot Bias

We call others out for biases while insisting we have none.

Example: “I’m not biased; you are.”


329 reads


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This is the second part of 50 cognitive biases, as tweeted by Elon Musk. These are a must read for understanding human behaviour, including our own.