GeniusThinking Profile picture
Feb 3, 2024 16 tweets 5 min read Read on X
A "cognitive bias" is a systematic error in thinking that ruins decision-making.

The 12 most powerful cognitive biases I've found: Image
Parkinson's Law: work expands to fill the time given.

When we have more time, we tend to procrastinate and become inefficient.

A good reminder to track your tasks duration and energy level. Image
Goodhart's Law:

When a measure becomes a goal, it stops being a good measure.

I.g: Exams and standard admission shifted the focus of education.

It's no longer about the students, but about grades and pay. Image
The Curse of Knowledge:

Experts assume everyone knows what they know.

But they struggle to teach or lead effectively for those still learning.

Simplicity is an art. Image
The Bandwagon Effect:

We humans are social creatures, which has its benefits.

But there's a downside too...

We often follow the crowd without thinking, just because everyone else is doing it.

Beware of the Bandwagon Effect, it's like "groupthink" and can be risky. Image
Egocentric Bias:

We tend to think more highly of ourselves than we should.

In group activities, we overestimate our contributions compared to others. Image
Cynicism

"Cynical people may seem smarter, but research suggests they're actually less intelligent.

Deep cynicism is a defense mechanism (may results in neuroticism), not a sign of true intelligent.

Moderate dose advised. Image
Skinner's Law:

• When procrastinating, you have 2 choices:

1. Make not doing it more painful than doing it.

2. Make doing it more enjoyable than not doing it. Image
Hofstadter's Law:

Projects always take longer and cost more than you expect, even when you consider Hofstadter's Law.

Double the time, triple the cost—despite your best calculations. Image
Elon's Law:

Beat Hofstadter's Law with an insanely ambitious deadline. Even if it takes 3x longer, you're still ahead of the game.

Elon Musk missing his super deadlines is a feature, not a bug. Image
Loss Aversion

Discovered by scientists Tversky and Kahneman, it reveals that the pain of losing is stronger than the pleasure of winning.

As a result, humans will go to greater lengths to avoid losses than to pursue gains. Image
Hitchen's Razor:

Claims without evidence can't be verified. When in doubt, clarify and ask for proof. Image
The Discomfort Zone Razor:

Embrace discomfort for growth.

Seek comfort and for stagnation.

1000 uncomfortable hours > 10,000 comfortable hours. Image
Occam's Razor:

• Simple assumptions are often right.

• Don't overcomplicate things with too many assumptions. Image
If you want my collection of mental models, cognitive biases, and cognitive tendencies, grab a copy of my product here:

feynmanism.gumroad.com/l/mentalmodels
If you enjoyed this content, consider giving @feynmanism a follow and check out my Feynman Technique Notion template:

feynmanism.gumroad.com/l/feynmantechn…

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More from @GeniusGTX

May 11
In 1238, Granada's engineers pulled off the biggest feat in medieval history...

They built a self-sustaining water system 200 meters up a mountain. But what they created next nearly destroyed physics forever.

Here's the full story of the Alhambra Palace: ↓ Image
While other medieval cities fell to Christian armies during the Reconquista, Granada remained unconquered for over 250 years.

The secret?

The Alhambra Palace - a fortress of such genius engineering that even modern NASA scientists study its systems.
The challenge seemed impossible:

Power an entire city 200 meters above the Darro River without modern pumps.

For context: That's like running water up a 60-story skyscraper using only medieval technology.

The margin for error? Zero. Image
Image
Read 18 tweets
May 8
This man who heals what doctors can't:

Carl Jung.

It's impossible to be psychologically trapped, stressed, or anxious after understanding his teachings.

Here's his 4-step approach to mental freedom and self fulfillment: Image
Image
In 1913, Jung was at the peak of his career.

He was Sigmund Freud's golden child and the undisputed future of psychology.

Then, he risked it all.

He severed ties with Freud and plunged into a terrifying period of intense isolation...
Jung nearly lost his mind.

He spent years confronting his own darkest thoughts, recording his descent in a secret journal.

What he found in that darkness changed how we understand human behavior forever.

He discovered the hidden force secretly controlling your life...
Read 12 tweets
May 8
Could psychiatrists tell if someone was actually insane?

Stanford psychologist David Rosenhan wanted to find the answer...

In 1973, he sent 8 perfectly normal people to mental hospitals across the US.

What he found next exposed the secret side of psychology…🧵 Image
Image
David Rosenhan, a Stanford psychologist, designed a bold experiment to find out.

He recruited 8 normal people willing to get themselves committed:

• 1 painter
• 1 housewife
• 1 pediatrician
• 1 psychiatrist
• 3 psychologists
• Rosenhan himself

Their mission?
Infiltrate hospitals.

The "pseudopatients" had simple instructions:

• Say you hear a voice saying "empty" or "hollow."
• No other symptoms
• Take detailed notes
• Try to get out by convincing staff you're sane
Read 15 tweets
May 7
I'm obsessed with cognitive biases.

A "cognitive bias" is a built-in glitch in our brain that quietly sabotages good decisions.

Here're 11 more craziest and most dangerous cognitive biases I've found: 🧵

1. Survivorship Bias: Image
1/ Survivorship Bias:

We study the habits of billionaire college dropouts, but completely ignore the millions who went broke.

Success leaves clues, but failure teaches the real lessons.
2/ Goodhart’s Law:

When a measure becomes a target, it ceases to be a good measure.

Reward a factory for the number of nails produced, and they will make thousands of tiny, useless nails.

Optimize for the actual mission, not the vanity metric.
Read 15 tweets
May 6
I'm obsessed with cognitive biases.

A "cognitive bias" is a built-in glitch in our brain that quietly sabotages good decisions.

These are the 11 craziest and most dangerous cognitive biases I've found: 👇

1. The Cobra Effect Image
1. Cobra Effect

The road to hell is paved with good intentions.

e.g. A government paying bounties for dead cobras, prompting people to breed them for cash.

A solution can make the original problem worse.

Look at second-order consequences.
2. The Gell-Mann Amnesia Effect:

You spot 10 glaring errors in news about your industry.

You turn the page and blindly trust the article on foreign policy.

A liar in one domain is rarely a saint in another. Guard your gullibility.
Read 16 tweets
May 5
Rich people collect fancy watches.

I collect mental models. They are timeless rules of thumb that simplify any difficult decisions.

7 most powerful (and dangerous) mental models I've found:

1. The Power of Walking Image
1. The Power of Walking

When bored and lacking ideas, keep walking until the day becomes interesting. Image
2/ Survivorship Bias:

We focus on the winners and ignore the losers.

We study the college dropout billionaires but ignore the thousands of dropouts who failed.

Success leaves clues, but failure teaches lessons. Image
Read 11 tweets

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