EPTSmarter people more prone to cognitive bias - Page 5
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hacpee
United States752 Posts
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Severedevil
United States4839 Posts
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Punscho
70 Posts
On June 13 2012 14:41 SipNanana wrote: my problem with this is; let's say we know the ball costs 10cents, using your formula to prove it. If we know the ball costs 10 cents we have no unknown X for his equation. If we would tackle it using logic it would also make either the premise P1: Ball + Bat = 1.10 false or the premise P2: Bat = Ball + 1.00 false. | ||
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Rarak
Australia631 Posts
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SipNanana
Australia8 Posts
On June 13 2012 15:11 Punscho wrote: If we know the ball costs 10 cents we have no unknown X for his equation. If we would tackle it using logic it would also make either the premise P1: Ball + Bat = 1.10 false or the premise P2: Bat + 1.00 = Ball false. so you're saying the question is wrong not the price of the ball? Equations should work backwards | ||
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RoKetha
United States211 Posts
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Apex
United States7227 Posts
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Rarak
Australia631 Posts
For another small sample size to dispute the research - I consider myself pretty smart and got both questions right within 5 or so seconds. | ||
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kubiks
France1328 Posts
The lotus thing is like the most classic tricky question in the book (I already saw it a lot of time), why the ball question is just classic (with other values etc). What else was in this study ? Did they just put all the classic tricky questions ? They could have added : "we take a product that cost 100$, make a 10% increase, then a 20% reduction, what is the final prize of the product ?" (hint : it's not 90$) Because for now I don't know how "intelligent people" would get tricked by questions that they already encountered a lot of time  | ||
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TheRealPaciFist
United States1049 Posts
As for the study: maybe more "intelligence" > more arrogance > less time spent thinking > worse answers? | ||
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numLoCK
Canada1416 Posts
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Release
United States4397 Posts
5cents | ||
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Crazy Eddie
United States128 Posts
Method Participants. The participants were 482 undergraduate students (122 men, 360 women) from a medium-sized, eastern university recruited through an introductory psychology subject pool. Not having access to this either I still really question the methodology and how the authors established a correlation. What we know so far is a mention of self-reported scores and a questionable sample. Look at that sex ratio. Most importantly, this "Cognitive Reflection Test," the exact same three mathematical questions, has been used before in several other studies. The results contradict this claim. Students at better universities with more stringent admissions criteria and higher test scores, performed much better than students at weaker universities. People with better performance on other mathematical and cognitive metrics, given in the same sitting, performed better on the CRT questions. iirc students with higher GPAs were found to perform better on the CRT in one study as well. It's possible to suppose the individuals involved in this study were particularly stupid or say similar disparaging things, but if the authors didn't even address the above it's a terrible job on their parts. The finding that people who self-report "being smart" are more prone to bias doesn't appear to be well established by this one study, let alone any broader claims. | ||
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Omnidroid
New Zealand214 Posts
The smartest kid in our class all did the random stuff, before realizing. | ||
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Demonhunter04
1530 Posts
On June 13 2012 14:55 CraZyWayne wrote: There might me a different reason to answer this question with "42". Just saying. Yeah, I know. That's what came to mind at first, because I doubted anyone would add 10 and 32 from reading that. | ||
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uLaLuLaLume
Canada75 Posts
2x = 0.1 x = 0.05 | ||
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Snackysnacks
United States411 Posts
On June 13 2012 15:19 SipNanana wrote: so you're saying the question is wrong not the price of the ball? Equations should work backwards Isnt the question define X, with x + x + 1 = 1.1 Being the general statement Its still really hard to think anyone can be serious with 10 cents being the ball right. even if so that would make the bat 1.10 (being a dollar more) and the total 1.20(not the problem, your mixing it up) The bat was never defined in the original statement, so defining the bat is a byproduct of finding out X (the way it went through my mind anyways, how i shouted 5 cents) | ||
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Fkyx
United States109 Posts
After doing it on paper, I got $0.05. The results of this study are 100% correct. | ||
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FallDownMarigold
United States3710 Posts
On June 13 2012 15:44 Snackysnacks wrote: Isnt the question define X, with x + x + 1 = 1.1 Being the general statement Its still really hard to think anyone can be serious with 10 cents being the ball right. even if so that would make the bat 1.10 (being a dollar more) and the total 1.20(not the problem, your mixing it up) The bat was never defined in the original statement, so defining the bat is a byproduct of finding out X (the way it went through my mind anyways, how i shouted 5 cents) Yes i guess it's supposed to make people wrongly assume "oh the bat is 1 dollar, ball is 10 cents = 1.1" even though it's really that the bat also must be 1 dollar more than the ball, so that wouldn't work. Super easy math, but i guess the point is to word it such that it isn't as clear if being too hasty | ||
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SipNanana
Australia8 Posts
On June 13 2012 15:44 Snackysnacks wrote: Isnt the question define X, with x + x + 1 = 1.1 Being the general statement Its still really hard to think anyone can be serious with 10 cents being the ball right. even if so that would make the bat 1.10 (being a dollar more) and the total 1.20(not the problem, your mixing it up) The bat was never defined in the original statement, so defining the bat is a byproduct of finding out X (the way it went through my mind anyways, how i shouted 5 cents) I just think the answer can be either 5 or 10 cents. Using a mathematical equation doesn't prove every situation. The question is; What is the price if there is 1 dollar difference? (White still costing $1.10) If you can't use your equation to resolve if you know the answer, doesn't it make your formula incorrect? | ||
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