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Dan Sperber

Autor de The Enigma of Reason

18+ Obras 696 Miembros 8 Reseñas 4 Preferidas

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Incluye los nombres: Dan Sperber, Dan Sperber

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(eng) Not to be combined with Daniel Sperber

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Really loved this book! Can't believe two French academics could write so beautifully in English. Not an easy read exactly, but far from impenetrable- it takes a little work to read but ideas are explained slowly and carefully and convincingly. Basic premise is that the ability of humans to reason is more of a communications skill, evolved to help us make arguments and evaluate arguments made by others. In most cases, in non-social situations, people don't reason at all - we act intuitively. Bravo, a fine psychology/philosophy mix!… (más)
 
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steve02476 | 4 reseñas más. | Jan 3, 2023 |
Got about half of the pages turned, but about half of those were seen through glazed-over eyes. Interesting stuff, but too technical for me.
 
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steve02476 | otra reseña | Jan 3, 2023 |
In short, the authors argue that reasoning works better in confrontation and in social interaction than in solitary contemplation. It's an entertaining read which includes accounts of many psychological experiments, but in the end the book turns out to be far to long. With a little bit of selection, the argument could easily have fit into half as many pages as it now takes (330). Another critical point is that the authors adopt a freewheeling approach to evolutionary theory as they "explain" the results of present-day psychological research with some very questionable (and unverifiable) speculations about the past. It probably would have improved their argument if they had practiced what they preach and undertaken some deliberation with critical opponents of evolutionary psychology. But I'm not saying this is a bad book, if you liked Kahneman's "Thinking, fast and slow" then you will probably like this one as well. Popular science which explains how people think is useful.… (más)
 
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thcson | 4 reseñas más. | Oct 13, 2019 |
This is an interesting read if you struggle (like me) with understanding societal inclinations to disregard science and data and facts. The assessment is really good overall, research analysis is done very well with appropriate parameters. I'd definitely recommend this one. This book compliments with "The Knowledge Illusion: Why We Never Think Alone" by Steven Sloman, Philip Fernbach."

Cognitive dissonance and Confirmation bias is a flaw in reasoning; Of the many different forms of faulty-thinking, confirmation-bias is most cataloged and is the subject of entire textbooks’ worth of experiments.

— In of the experiments, researchers rounded up a group of students who had opposing opinions about capital punishment. Half the students were in favor of it and thought that it deterred crime; the other half were against it and thought that it had no effect on crime. The students were asked to respond to two studies. One provided data in support of the deterrence argument, and the other provided data that called it into question. Both studies—you guessed it—were made up, and had been designed to present what were, objectively speaking, equally compelling statistics. The students who had originally supported capital punishment rated the pro-deterrence data highly credible and the anti-deterrence data unconvincing; the students who’d originally opposed capital punishment did the reverse. At the end of the experiment, the students were asked once again about their views. Those who’d started out pro-capital punishment were now even more in favor of it; those who’d opposed it were even more hostile.

Also—and this is not even related to this but—while I was reading about this capital punishment experiment, it somehow reminded me this dialogue from a Japanese movie called 'Death by hanging' by Nagisa Oshima (Here's the trailer)



Anyhoo, If 'reason' is designed to generate sound judgments, then it’s hard to conceive of a more serious design flaw than confirmation-bias. Imagine, a mouse that thinks the way we do. Such a mouse, “bent on confirming its belief that there are no cats around,” would soon be dinner. To the extent that confirmation bias leads people to dismiss evidence of new or underappreciated threats—the human equivalent of the cat around the corner—it’s a trait that should have been selected against. The fact that both we and it survive, proves that it must have some adaptive function, and that function, they maintain, is related to our “hyper-sociability.” In this book, it is called 'myside-bias.'

“Reason is an adaptation to the hyper-social niche humans have evolved for themselves"


— Here's a little (and really old) experiment performed again by the author, which demonstrates this asymmetry:
Participants were asked to answer a series of simple reasoning problems. They were then asked to explain their responses, and were given a chance to modify them if they identified mistakes. The majority were satisfied with their original choices; fewer than fifteen per cent changed their minds in step two.
In step three, participants were shown one of the same problems, along with their answer and the answer of another participant, who’d come to a different conclusion. Once again, they were given the chance to change their responses. But a trick had been played: the answers presented to them as someone else’s was actually their own, and vice versa. About half the participants realized what was going on. Among the other half, suddenly people became a lot more critical. Nearly sixty per cent now rejected the responses that they’d earlier been satisfied with.
This lopsidedness reflects the task that reason evolved to perform, which is to prevent us from getting screwed by the other members of our group. Living in small bands of hunter-gatherers, our ancestors were primarily concerned with their social standing, and with making sure that they weren’t the ones risking their lives on the hunt while others loafed around in the cave. There was little advantage in reasoning clearly, while much was to be gained from winning arguments.
… (más)
 
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iSatyajeet | 4 reseñas más. | Nov 21, 2018 |

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