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Illusions of Competence

Illusions of Competence

People often have difficulty understanding information after learning it. Professor Barbara Oakley from the University of California, San Diego, suggests that many of these illusions of competence are due to memory illusions. 

  1. Seeing information in front of you such as reading a book doesn't mean you know it. 
  2. Seeing or hearing someone come to a conclusion doesn't mean you know how to get to that conclusion or explain their argument. 
  3. Searching for something on Google gives you the illusion that the information is in your brain. 
  4. Spending lots of time with material doesn't mean you know it.


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3. Spaced Repetition

3. Spaced Repetition

Our brain is working more like a muscle than a computer; it's wrong that once a info go in our brain then it will be there forever, the brain need to be exercised. The more often you use the neurons grappling with the information you want to commit to memory, the stronger those connections will g...


1.81K reads

1. Recall

1. Recall

After you've read or watched any material, simply look away and see what you can recall from the material you've just taken in.

Practicing recall is counterintuitive to most consumers of content. You finish a chapter and you go to the next one or you finish a video and move on to something ...


1.82K reads

Informed vs Understand

Informed vs Understand

There is fundamental difference between feeling informed and truly understanding something.

We are as informed as ever. We can more or less parrot opinions we read, cite random facts, but when tasked with explaining what something is all about, why it is the case, what its connections are w...


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Most of the time, we don't aware about illusions of competence, as our working memory can limit our ability to remember information, with multitasking and information overload being two main culprits. The three main methods for improve it are recalling, the Feynman Technique, and spaced repetitio...


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Our job is to find a few intelligent things to do, not keep up with every damn thing in the world



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Multitasking is Also Another Culprit

Multitasking is Also Another Culprit

But it's not just information overload that affects our ability to remember things, multitasking is just as bad. 

Our brains are designed to focus on one thing at a time. When we multitask, all we're really doing is quickly switching from one task to another and our brain struggles to commi...


1.75K reads

What's The Fix?

What's The Fix?

The first is to eliminate multitasking, distractions, and information streams that cause overload. We're all well aware at this point that these services exploit our psychology and it's hard to resist the addicting dopamine surge that comes from checking them.

The next one is find one sourc...


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Rapid Stimuli Means Less Info Goes to Long Term Memory

Rapid Stimuli Means Less Info Goes to Long Term Memory

The problem is what we hold there can quickly vanish if we don't keep thinking about them or rehearse them in our heads. In other words, if we don't grapple with the ideas in our working memory for an extended period of time, they never get sent to the long-term memory. They just disappear.


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How to Apply These Three

How to Apply These Three

The best idea to remember things are do all three above; recall, Feynman technique and make it repetition; spaced them out by three days over the course of a couple weeks, it results in the highest amount of memory retention.


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Focus on the Important, Keep Humble

Focus on the Important, Keep Humble

You don't need to be memorizing and understanding everything that comes your way. That's absurd. spend more time thinking about one important thing at a time instead of trying to absorb as much information as possible only to forget most of it. 

To recognize the limits of your knowledge and...


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By organizing scattered bits of information into patterns of knowledge, schemas give depth and richness to our thinking. Understanding and intelligence is derived largely from the schemas we have acquired over long periods of time



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2. Feynman Technique

2. Feynman Technique

The steps in Feynman Technique are:

  1. Take something you wanna understand.
  2. Write out an explanation as if you were teaching it to someone who didn't understand the subject. 
  3. Whenever you get stuck, go back to the material and relearn. Eventually, you'll fill in the gaps i...


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The person who says he knows what he thinks but cannot express it usually does not know what he thinks.



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How Our Memory Works

How Our Memory Works

There's two main parts: short-term and long-term. Think of the long-term memory like an investment portfolio. As you gather more and more schemas, you gain intellectual compound interest over time. They all begin to connect to each other, increasing your understanding of the world exponentially o...


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As we reach the limits of our working memory, it becomes harder to distinguish relevant information from irrelevant information, signal from noise. We become mindless consumers of data



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See how our memory works, the issue with it and how to fix and improve it.


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