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- From: corruble@lpia6.ibp.fr (CORRUBLE Vincent)
- Subject: Re: Logic and stuff
- Message-ID: <1992Nov18.115306.18277@jussieu.fr>
- Sender: news@jussieu.fr (Le Facteur)
- Nntp-Posting-Host: lpia6.ibp.fr
- Reply-To: corruble@lpia6.ibp.fr (CORRUBLE Vincent)
- Organization: Universite Paris VI/Paris VII
- References: <1992Nov18.035416.23721@news2.cis.umn.edu> <BxwG6E.Evs@acsu.buffalo.edu>
- Date: Wed, 18 Nov 1992 11:53:06 GMT
- Lines: 43
-
- In article <BxwG6E.Evs@acsu.buffalo.edu>, rmr@acsu.buffalo.edu (Richard
- M. Romanowski) writes:
- |> frank@i1.msi.umn.edu (Loren Frank) writes:
- |> (..)
- |> > On a slightly related topic, when people are given the following
- |> >scenario :Linda has been very active in social concerns for most
- |> >of her life. During college she was involved in a number of organizations
- |> >whose aim was to bolster the rights of the underrepresented.
- |> >People are then asked "which of the following is more likely:
- |> >1) Linda is a bank teller.
- |> >2) Linda is a bank teller and active in the feminist movement."
- |> >1) Linda is a bank teller.
- |> >2) Linda is a bank teller and active in the feminist movement."
- |> >People almost always choose 2) even though the likelyhood of a conjunction
- |> >is always less than the likelyhood of one of the conjuncts.
- |>
- |> >I am not quite sure what that means, but it is true...
- |>
- |>
- |> I do not know anything, but I THINK it means that people don't
- |> care about the bank teller part -- whether or not it is true is irrelevant
- |> to them, because the part about feminism seems so intuitively correct.
- |>
- |> Conclusion: confronted with a pattern that seems to reflect
- |> reality, people toss logic out the window, which is perhaps why we pretend
- |> that math is unemptional. If we believed it related to reality,
- |> perhaps we would not be able to do it.
- |>
- |> Luck
- |> Rick
-
- I think the way people perceive/understand the experiment is the reason
- why they
- think that 2 is more likely than 1
- They hear
- |> >1) Linda is a bank teller.
- |> >2) Linda is a bank teller and active in the feminist movement."
- but they perceive
- |> >1) Linda is a bank teller and she is NOT active in the feminist movement.
- |> >2) Linda is a bank teller and active in the feminist movement."
- since this dichotomic question is much more common than a attribute with
- a "don't know"
- value.
-