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From: cottrell@sdcsla.UUCP (Gary Cottrell)
Newsgroups: net.med,net.kids,net.social
Subject: Intelligence and handedness: reading speed
Message-ID: <950@sdcsla.UUCP>
Date: Sun, 18-Aug-85 19:57:17 EDT
Article-I.D.: sdcsla.950
Posted: Sun Aug 18 19:57:17 1985
Date-Received: Sat, 24-Aug-85 19:36:56 EDT
References: <127@unc.unc.UUCP> <1080@ihlpg.UUCP>
Reply-To: cottrell@sdcsla.UUCP (Gary Cottrell)
Organization: U.C. San Diego, Cognitive Science Lab
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Xref: watmath net.med:2168 net.kids:1725 net.social:907
Summary: People with left-handed relatives read faster


In article <1080@ihlpg.UUCP> jeand@ihlpg.UUCP (AMBAR) writes:
>
>On a related topic, has anyone noted a high correlation between left-handedness
>and 'intelligence' (as measured/used/defined by schools and so forth)?  As
>I think about it, most of the left-handed people I know are smarter than
>average.
>

An aquaintance who is a psycholinguist found in an experiment that people who
had left-handers in their family (but were themselves right-handed) averaged
150 milliseconds per word faster reading time, and the variance was very 
small; all of these people were faster than the fastest "normal" right-hander.
This is an incredibly large effect in psycholinguistic circles. This was
what he found in one experiment, and I don't know if he followed it up, or
whether anyone else has found related results, so take it with a grain of 
salt. My fiancee, who has left-handed relatives, reads much faster than me, 
but I'm a slow reader anyway. 

Anyone else heard of anything related?

gary cottrell				cottrell@nprdc (ARPA)
Institute for Cognitive Science		sdcsvax!sdcsla!cottrell (USENET)
UCSD