12 Cognitive Biases Explained – How to Think Better and More Logically Removing Bias
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12 Cognitive Biases Explained – How to Think Better and More Logically Removing Bias


hey guys practice psychology here and in this video we’re going to be talking about 12 cognitive biases most of these were researched by is one off TV who has some great animations on topics like these and other self development topics so check them out in the description or on the end screen now let’s get into it number one is anchoring bias we humans usually completely rely on the first information that we received no matter how reliable that piece of information is when we take decisions the very first information has tremendous effect on our brain for instance i want to sell you a car and you are interested to buy it let’s say you ask me what the prices and I tell you thirty thousand dollars now if you come back a week later and i say i’ll sell it to you for twenty thousand dollars this seems like a new very cheap price to you right because your judgment is based on the initial information you got which was 30,000 you feel like you’re getting a great deal but let’s say the first time that you ask me and I say 10,000 and then you come back the next week and i tell you i’m gonna sell to you for 20,000 now it doesn’t look like a very good deal because of the anchoring bias this is just a very generic use of the anchoring bias and I don’t want a bunch of comments about why thirty thousand dollar car should be sold for ten thousand dollars but another example is trees what if I asked you if the tallest tree in the world was higher or lower than 1,200 feet and if so how tall the same effect occurs if I asked you to guess out of thin air instead of giving you an anchor of 1,200 feet the results are crazy number to availability heuristic bias people overestimate the importance of information that they have let me give you an example here some people think that terrorism is the biggest threat to the United States because that’s what they see on TV the news always talks about it and because of that it inflates the danger but if you look at the real perspectives televisions cause 55 times more deaths than terrorism yes tvs literally following people and kill them fifty five more times than terrorism you’re more likely to be killed by a cow than a terrorist according to the Consumer Product Safety Commission it’s more likely to die from a coconut falling on your head and killing you than a terrorist attack thank you gary vaynerchuk for that one even the police that are hired to protect you from terrorists it’s estimated that you were a hundred thirty times more likely to be killed by the police and by a terrorist that’s because people do not make the decision based on facts and statistics but usually they make it on news and stories and stuff they hear from other people it’s way scarier to die from a terrorist attack in a falling coconut and because of this usually the news won’t cover it because there’s not much money in it number three is the bandwagon effect people do or believe in something not because they actually do believe it but because that’s what the rest of the world believes in in other words following the rest without thinking if you’ve ever heard someone say well if your friends jump off a bridge would you then that someone is accusing you of the bandwagon effect it happens a lot with us I mean a lot of people vote for a certain candidate in the election because he’s the most popular or because they want to be part of the majority it happens a lot in the stock market too if someone starts buying a stock because they think it’s going to rise then a lot of other people are going to start picking the stock as well it can also happen during meetings if everyone agrees on something you are more likely to agree with him on that object in management the opposite of this is called the group think and it’s something companies try very hard to turn because if nine out of ten people agree on something for the last person doesn’t and won’t speak up it could squelch a great idea number four is choice supportive bias so people have the tendency to defend themselves because it was their choice just because I made the choice it must be right for example let’s say a person buys an apple product let’s say it’s a macbook instead of a windows pc well he’s more likely to ignore the downsides or the faults of the apple computer while pointing out the downsides of the pc he’s more likely to notice the advantages of the apple computer not the windows computer i would someone point out that they made a bad decision well let’s say you have a dog you think it’s awesome because it’s your dog although it might poop on the floor every now and then the same goes for political candidates not the pooping part but they both may suck but one of the lesser of two evils maybe more right in your mind because you voted for them number five confirmation bias we tend to listen to information that confirms what we already know or even interpret the information that we receive in a way that confirms the current information that we already have let’s say that your friend believes that suites are unhealthy this is generally a pretty broad belief he will only focus on the information that confirms what we already know is more likely to click on videos that confirmed that belief or read articles that support his argument he doesn’t go through and type positive health effects of increasing blood glucose levels or positive effects of eating a bowl of ice cream no he will instinctively go to google and type in how bad is sugar for you the confirmation bias is a very dangerous in scientific situations and actually one of the most widely committed cognitive biases number six the ostrich bias this is the decision or rather subconscious decision to ignore the negative information it may also be an indication we only want to consider the positive aspects of something this goes beyond are only looking for the positive information but this is when there is negative information and we choose to ignore it as an outlier sometimes even when we have a problem we try to ignore it thinking it will go away let’s say you have an assignment to do it’s not something that you really want to do so you may just keep on procrastinating with it because you’re minding said it will go away or is solved by ignoring it smokers usually they know it’s bad for their health but a lot of them keep ignoring the negative implications of cigarettes thinking it will not damage them or might stop them before anything serious will happen because they consider themselves in our wire to avoid finding out negative information we just stop looking for it this could be a serious crime in many scientific research laboratories and basically promotes ignorance number 7 outcome bias we tend to judge the efficacy of a decision based primarily on how things turn out after decision is made we rarely examine the conditions that existed at the time of the decision choosing instead to evaluate performance solely or mostly on whether the end result was positive or not in other words you decide whether an action is right or wrong based on the outcome this goes a little bit into consequentialism but it goes hand-in-hand with the hindsight bias let’s say there’s a manager who wants to take the decision his team and the data are telling him to make one decision but his gut is telling him to make another decision well he goes ahead and makes the decision that has got told him to do and then in the end it was the right decision does that mean it’s actually better to trust your gut rather than listen your team who is advising you based on facts and statistics well that’s what the outcome biases you take the decision and bass the effectiveness of your decision on the outcome even if it was luck now this is bad logical thinking and will actually lead you to ruin thinking and bad outcomes in the long run number 8 overconfidence sometimes you get too confident and start taking decisions not based on facts but based on your opinion or gut because you have been correct so many times in the past for example you are a stock trader and you pick five stocks in a couple years all of them turn out to be successful and profitable it increases your confidence to a point where you can start believing that whatever start you pick will be successful it’s quite dangerous because you might stop looking at the facts and solely rely on your opinion check out the gamblers fallacy if you want more information on this just because you flip the coin five times and it landed on heads doesn’t mean that the next time there’s more than fifty percent chance of it landing on ahead again ego is the enemy is a great book about this bias and i just made a book review on it number nine placebo bias when you believe something will have a certain effect on you then it will actually cause that effect for instance you are sick and the doctor gives you a certain medicine even if that medicine does not actually help you even if it’s just made of sugar you believe that it will help you and it actually causes you to recover quicker this might not sound very logical but dozens of experiments have proven this that’s why if you realize positive people usually have positive life and vice-versa the way you think is super important and we’ve hit on this in previous videos for the same reason a lot of personal development books say that if you really believe something you will eventually achieve it or at least find a way to achieve it because the placebo effect will give you the motivation that need the mind truly is a powerful thing and this actually isn’t always bad thinking in fact you can use a placebo effect in our advantage if we use it wisely there’s actually a reverse of this and it’s called the nocebo and this is when it is native number ten survivorship bias this bias is when you are judging something based on the surviving information let me give you an example here there are a lot of articles titled like five things millionaires do every morning does that mean doing those things every morning will make you a millionaire know there are tons of people who did them and didn’t become a millionaire but there are also tons of people who did them and did become a millionaire so these articles are primarily based on the ones who survived and reject all other people to do the same thing but did not become millionaires another example is to say that buildings in an ancient city were built using extreme engineering because they lasted so long this is a bad conclusion because you aren’t considering what ratio of buildings were built to how many that lasted you’re only seeing the ones that lasted thousands of years of weathering when the other ninety percent I’ve already washed away it’s hard to know what you don’t know number 11 selective perception i like this one selective perception is a form of bias that causes people to perceive messages and actions according to their frame of reference using selective perception people tend to overlook and forget that contradicts our beliefs or expectations let’s say for example you’re a smoker and you’re a big fan of soccer you’re more likely to ignore the negative advertisements about cigarettes because since you are already smoking you have this perception that it’s okay to smoke but there’s an advertisement about soccer you are more likely to notice it because you have a very positive perception about it this is actually something really interesting and has to do with how you perceive the world due to your subconscious mind and what it filters out the last one is called the blind spot bias if I asked you how biased you are you would probably say that you are less biased than the average person and you are more likely to base your judgment on facts and statistics and that’s what’s known as a blind spot bias or the bias bias your bias because you think that you are less biased than everyone else for example i guess it’s something to my teacher and the next week she gave me a good grade on a test if you ask her whether she was biased when she gave me that grade the answer will be that the gift never affected her decision when marking my paper but if you ask her if other teachers are biased when students give them gifts she will say yes in most cases and that’s what the blind spot biases i really enjoyed creating this video but most of the content was curated by my friend is gone off he’s got a channel similar to mine and I’d like you to check it out here or in the description i hope you guys enjoyed this video and learn something if you want more valuables like this check out my channel and subscribe thanks for watching

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100 thoughts on “12 Cognitive Biases Explained – How to Think Better and More Logically Removing Bias

  1. The placebo effect accounts for over 30% of effect so if you are looking for efficacy of treatment the more accurate statistic is ONLY that over 33% so if the procedure or med is listed as 47% effective it in actuality only helping 14% of cases .

    Great video. Valuable. You speak fast though lol
    10q
    Be well be free
    Sonoma County Ki

  2. The bandwagon effect actually is a good strategy when it comes to stock. As far as clicking on videos to help you get different opinions, that’s out the window with all the tailoring done here on YouTube.

  3. Neat video. As my man Jim Jefferies paraphrases so nicely. I think therefore I am. All you know is that you exist, everything else is open to interpretation. It’s about finding the best tools to discover the most evidence based view of reality in any given situation. We think the earth doesn’t move because we don’t feel it move, we are wrong. We have evolved to be incredibly good at somethings and poor at others. Thankfully we have also discovered many useful ways of discerning fact from fiction even within our own evolutionary biology which has only done wonders for mankind

  4. @Practical Psychology SUPER AMAZING VIDEO

    Completely ruined by Background music

    Can you Please Please Please Please Please Please re-upload this, with out BG music so i can watch it. I only made it 2 minutes in and that noise was too much. PLEASE uplaod this with out music.

  5. So.. What's the solution? I want to know how can we think faster using heuristics and bias awareness (since we may never escape them) and maintaining slower critical thinking..

    Can AI and machine learning help augment some of the critical thinking, so we can make more right decisions, faster?

  6. The terrorism comment is onky applicable to certain locales the total stastic just using general population without distinctions makes it invalid some area it is more common others nearly nonexistent but the individual needs to evaluate for themselves some dont have tvs and fear it due to knowing people effected by it

  7. As an American, all I can ask is why so many Americans are dumb. I’m sure it’s because we spend a ton of money on stupid wars and not school. I have known this since I was a child, because the Vietnam war was going on when I was a child, and I saw on television and hated it. My stepfather wasn’t the greatest either, but I loved school and I kept thinking but I thinking that we needed more money to make the school better ever since I was in third grade and I’m 54 now.

  8. Wow…this would be useful for about half of america. Alas, I dont think much about terrorism, so the bias, is not enough to keep watching. *skutters off *

  9. Not saying these biases don't exist to heck a large extent but they sound a lot like an easy way to make an excuse for anything rather than just confront any new information and just go your expressing x bias. There's kind of a catch 22 problem with all of these biases that assume nobody's been lied to or believe something false so this science of bias thinking creates a kind of a logic confirmation bias loophole to never address any given issue and just say your bias and here's how backed by science.

  10. I loved the video but maybe my reasoning is due to the bandwagon effect. I should learned not to read comments before commenting 😀😀😀

  11. The content is absolutely superb. Now if you had used a slow thoughtful voice it would have been even more effective almost philosophical.

  12. There is a similar thing when you notice things that have to do something with you. I've never in my life saw a person using wireless headphones IRL until I bought them and saw 3 people using them the same day. Oh that's actually #11

  13. The example given for “Availability Heuristics Bias” isn’t exactly fair. TVs may cause more deaths per year than terrorists but there is a vast and intricate anti-terrorist network
    in place to protect us from them. So in a basic way your example is in fact true (given my anchoring bias to believe that this information is true) however if there was an equally stringent network in place to prevent ‘TV deaths’ then the statistic would surely change. In short, sitting in front of a terrorist is certainly more dangerous than sitting in front of a TV. I would even venture to
    say that pulling a terrorist down off the top shelf is also more dangerous than pulling a TV down off the top shelf. However, coming across a terrorist at random is certainly less likely that coming across a TV and therefore is less likely to cause harm on any given day.
     There is also the statistical problem of “per total incidents” vs. “incidents per participant”. There are likely billions more TVs than terrorists in the US. So if you weigh the number of people interactive with TVs against the number of TV deaths then the ratio is so small it is entirely insignificant. Likewise if you weigh the number of people interactive with terrorists against the number of terrorist deaths then those numbers are quite significant.

  14. Your title is misleading! You just listed the different forms of bias' but didN#t explain for a second "HOW to Think Better and More Logically Removing Bias"!

  15. That about Apple products is completely true. You have to be a user of MacOS and Windows to be objective. Many of people just use some brand due to fashion, or so- called social proof and that notion of premium price range and then they tend to deny any downsides of these products.

  16. Based on psychoanalysis it’s stated we use ego defence mechanisms to see harsh truth and it causes some of these cognitive biases.

  17. Believe it or not I see both sides of any situation and then decide I look for complete Information before taking any decisions

  18. What about Coconuts
    from the Middle East?
    No wait, they're dates.
    Single guys! Dates fall from
    the sky in the Middle East!

  19. It wouls be such a good videk if ghe narrator spoke significantly slower. What is the need to speak so fast? Must be a psychological reason behind it.

  20. The 5th bias is so confirmed with me! For example, each time I finish a show, a movie or an anime, I'll be looking for a confirmation of my opinion about those. If I dislike a work, unconscously I wanna be reassured in my choice.

  21. 0:18 Anchoring Bias
    1:22 Availability Bias
    2:22 Bandwagon Effect
    3:09 Choice Supportive Bias
    3:50 Confirmation Bias
    4:30 Ostrich Bias
    5:20 Outcome Bias
    6:12 Overconfidence
    6:52 Placebo Effect
    7:44 Survivorship Bias
    8:32 Selective Perception
    9:08 Blindspot Bias

  22. it's surprising to see a video on cognitive bias that suggest the fear of terrorism is unjustified since more people get killed by a TV falling on them. Does the US spend millions of dollars to prevent TV falling? If the news were talking about people accidentally killed by a TV the public would deem more reasonable to spend money on preventing this accidents

  23. If you're Black there is one in ten chance you will be killed by the police, still there is one in five you will be killed by another Black person dead is dead still it's a damn shame but being in the Philippines my chances get better each day, God please bless America shed thy grace on thee.

  24. 2:18 – Yes but is that because they stop terrorists attacks that people die less from them, or is it simply there is less terrorist attacks. If the police wasn't stopping people, would people die 1,000 times more. So just because a static number is low, doesn't mean another variable isn't at play reducing the risk, like police and special forces which prevent terrorism. Just thought I would point that out.

  25. It helped my exam so much. But its not the only reason i love it, it gave me new perspective of life. Thanl u

  26. I think it's amazing how his thick black Sharpie can write in multiple colours, produce nuanced shadings, and make lines of multiple widths.

  27. Num 6 if you see bad signs in a partner dont overlook it or ignore dont cover it up wirh but they make it up in this. In relationships dont ignore the informacion.

  28. Books to be read in this connection:
    1. Thinking, Fast and Flow By Daniel Kahneman
    2. Cognitive Illusions – A Handbook on Fallacies and Biases in Thinking, Judgement and Memory Edited by Rüdiger F. Pohl
    3. The Art of Thinking Clearly By Rolf Dobelli

  29. Actually my mistake, it only refers to people as "he", not just in the below situations. Did someone from the 1950's create this????

  30. Also don't forget that statistics is not facts its an interpretation so you should check the numbers also 😉

  31. the way this channel explains choice supportive bias seems like they're making an error because of a confounding variable (a variable influencing both the outcome and the cause, leading to innacurate associations). If someone bought a mac to begin with, it's because he though, before having made that choice, that macs had less downsides. So it's normal that he still thinks it later, it's not because he wants to confirm his choice no matter what, it's because it's his opinion since the begining. "his choice to buy a mac" and ""he defends mac after having bought one" don't have any causality link. The confounding variable "that guy thought mac were better before having bought one" is the cause for both.

    It's like saying "people who repeated a yr in high school are more likely to have lower grades in college so we can conclude that repeat a year in high school causes student to have lower grade in college". It's an inacurate reasoning, there isn't actually a causality link between "repeat a yr in high school" and "lower college grade". The confounding variable "he has a bad school level" is the cause for both.

  32. survivoship bias= when someone says "it's their fault if poor people are poor. In USA, if you work hard you can accomplish anything, look at me I started from nothing and now I am a billionnaire, I earned everything I have"= Select only "the survivor" who got the luck to suceed and make a generalisation ignoring all the people who worked as hard as him but didn't got the luck to succeed.

  33. Availability heuristic bias: the reason people are so terrified to be parents, and tell their kids to go play outside like nature intended. You're more likely to be struck by lightning than to be kidnapped, yet we focus on prepping for things like this when it's a total waste of time and worrying about it does more harm to society than being realistic.

  34. Biases exist for a reason the problem starts if you trying to destroy them, or using them for the wrong purpose.

  35. What if a terrorist gets there hands on a weapon of mass destruction eg Virus and killed 1billion people, would that change one of the bias? So if the danger is there, which it IS, shouldn't we assume that terrorism is really dangerous!

  36. All communication is biased. The whole point of communication IS to express bias. A sentence without bias says very little – if anything at all.

  37. The entire second example of more dying from falling T.V. sets, etc… is utter bullshit. Terrorists kill thousands of people worldwide every year. Falling T.V. sets…LOLZ. Where did you dig up that bullshit statistic? That reminds me of all those lies you see on television about a woman being raped every five seconds, or a person dying of cancer every minute. They're LYING. They are just pulling numbers out of their ass because they know you're gullible enough to believe it and because they want your money.

  38. 1:30 this is true with mass shootings in America too. Your chance of dying in one is not as high as the news makes it seem.

  39. My man showed his own confirmation bias by defending sugar. Sweets are bad for you and while they are health benefits of sugar these come fruit. I'm saying this as a person who never eats fruits and loves eating desserts

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