<div dir="ltr"><br></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Sep 10, 2015 at 6:38 PM, Anders Sandberg <span dir="ltr"><<a href="mailto:anders@aleph.se" target="_blank">anders@aleph.se</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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What happens is that the new mean intelligence is 150+ (as by the
old scale), turning into a new normal distribution. (I ran a quick
Matlab test). <br>
<br>
What is going on is that the intelligence is due to a lot of genes
adding about 1% or less each, so removing the <150 IQ population
mainly removes some very bad genes and decreases the somewhat bad
genes: there is still a lot of genetic diversity. So the new mean
goes up, but the variance stays about the same. <br><div><div class="h5">
<br>
<div>On 2015-09-10 23:15, William Flynn
Wallace wrote:<br>
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<div class="gmail_quote">On Thu, Sep 10, 2015 at 4:46 PM, Mike
Dougherty <span dir="ltr"><<a href="mailto:msd001@gmail.com" target="_blank">msd001@gmail.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span>On Thu, Sep 10, 2015 at 4:12 PM, William Flynn
Wallace<br>
<<a href="mailto:foozler83@gmail.com" target="_blank">foozler83@gmail.com</a>>
wrote:<br>
> If all people with IQs below 150 became sterile,
would the gene pool that<br>
> was left eventually create a population averaging
100 IQ?<br>
<br>
</span>Yes, because the 'average' is 100. That may be an
order of magnitude<br>
more capable, it would still be measured as 100.<br>
<br>
In order words, you would effectively lower the IQ of
every survivor,<br>
<br>
"lies, damned lies, statistics"<br>
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<div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:small;color:rgb(0,0,0);display:inline">
well, yes, I suppose I worded that awkwardly. What I
meant was, would the mental ability of the average
person who survived eventually regress to the mental
ability we now call IQ 100? I don't know enough
genetics to answer that. bill w</div>
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</div></div><span class="HOEnZb"><font color="#888888"><pre cols="72">--
Anders Sandberg
Future of Humanity Institute
Oxford Martin School
Oxford University</pre>
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