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	<title>Comments on: Weighing Scientists</title>
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	<link>http://www.overcomingbias.com/2010/01/weighing-scientists.html</link>
	<description>Overcoming Bias is economist Robin Hanson’s blog, on honesty, signaling, disagreement, forecasting, and the far future.</description>
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		<title>By: Northwest rain</title>
		<link>http://www.overcomingbias.com/2010/01/weighing-scientists.html#comment-442216</link>
		<dc:creator>Northwest rain</dc:creator>
		<pubDate>Wed, 03 Feb 2010 22:51:26 +0000</pubDate>
		<guid isPermaLink="false">http://www.overcomingbias.com/?p=21614#comment-442216</guid>
		<description>The &quot;scientists&quot; in Montserrat seem to ignore the need to use data to back up their opinions. Some are also using laws of physics invented ONLY for Montserrat. 

I was well trained in the Scientific Method -- hypothesis testing, awareness of EB (Experimenter Bias) etc. Through the years I&#039;ve read thousands of journal articles in dozens of research fields -- Cognition, Learning, Neurology, Earth Sciences, Biology, and Behavioral Sciences.  In comparison to these journal articles, the &quot;stuff&quot; published by the Montserrat SAC is more science fiction than real science. 

Errors of using probability numbers without DATA are found in the UN Climate Report -- that bit about 90% probability that the Himalayan glaciers will melt by 2035 (or 2050). This the same sort of &quot;science&quot;  found in the Montserrat Scientific Advisory Committee&#039;s reports. Why bother with data when &quot;scientists&quot; can come up with Wild a** guesses (SWAG) and present that as &quot;science&quot;. 

How can a massive population NOT have an effect on the climate -- history of humans shows that we do impact the environment -- Easter Island was a lab of sorts. 

When the truth should be enough --  why have some Climate scientists chosen the SCARE science route? This sort of garbage makes scientists look bad.


The problem with yelling Wolf -- when creature is only a perhaps a mouse -- means that fewer people will believe the ones calling the alert. So that when a real scientist comes along, with a real warning about impending disaster -- that person might not be believed.</description>
		<content:encoded><![CDATA[<p>The &#8220;scientists&#8221; in Montserrat seem to ignore the need to use data to back up their opinions. Some are also using laws of physics invented ONLY for Montserrat. </p>
<p>I was well trained in the Scientific Method &#8212; hypothesis testing, awareness of EB (Experimenter Bias) etc. Through the years I&#8217;ve read thousands of journal articles in dozens of research fields &#8212; Cognition, Learning, Neurology, Earth Sciences, Biology, and Behavioral Sciences.  In comparison to these journal articles, the &#8220;stuff&#8221; published by the Montserrat SAC is more science fiction than real science. </p>
<p>Errors of using probability numbers without DATA are found in the UN Climate Report &#8212; that bit about 90% probability that the Himalayan glaciers will melt by 2035 (or 2050). This the same sort of &#8220;science&#8221;  found in the Montserrat Scientific Advisory Committee&#8217;s reports. Why bother with data when &#8220;scientists&#8221; can come up with Wild a** guesses (SWAG) and present that as &#8220;science&#8221;. </p>
<p>How can a massive population NOT have an effect on the climate &#8212; history of humans shows that we do impact the environment &#8212; Easter Island was a lab of sorts. </p>
<p>When the truth should be enough &#8212;  why have some Climate scientists chosen the SCARE science route? This sort of garbage makes scientists look bad.</p>
<p>The problem with yelling Wolf &#8212; when creature is only a perhaps a mouse &#8212; means that fewer people will believe the ones calling the alert. So that when a real scientist comes along, with a real warning about impending disaster &#8212; that person might not be believed.</p>
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		<title>By: gimli4thewest</title>
		<link>http://www.overcomingbias.com/2010/01/weighing-scientists.html#comment-441481</link>
		<dc:creator>gimli4thewest</dc:creator>
		<pubDate>Wed, 27 Jan 2010 05:23:35 +0000</pubDate>
		<guid isPermaLink="false">http://www.overcomingbias.com/?p=21614#comment-441481</guid>
		<description>P.S. I am appalled, I do applaud, was meant as Yogism.</description>
		<content:encoded><![CDATA[<p>P.S. I am appalled, I do applaud, was meant as Yogism.</p>
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		<title>By: gimli4thewest</title>
		<link>http://www.overcomingbias.com/2010/01/weighing-scientists.html#comment-441478</link>
		<dc:creator>gimli4thewest</dc:creator>
		<pubDate>Wed, 27 Jan 2010 05:06:25 +0000</pubDate>
		<guid isPermaLink="false">http://www.overcomingbias.com/?p=21614#comment-441478</guid>
		<description>As one who spent many monotonous hours trying to measure the amount of chlorine in one gram of a chemical compound to within 0.001%, I find the enterprise of measuring the temperature the entire Earth&#039;s atmosphere to within a hundredth of a degree in doubt at best.

Although I thank God I left science for business, I am applaud those who attempt to collect such lofty and tedious data.</description>
		<content:encoded><![CDATA[<p>As one who spent many monotonous hours trying to measure the amount of chlorine in one gram of a chemical compound to within 0.001%, I find the enterprise of measuring the temperature the entire Earth&#8217;s atmosphere to within a hundredth of a degree in doubt at best.</p>
<p>Although I thank God I left science for business, I am applaud those who attempt to collect such lofty and tedious data.</p>
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		<title>By: Aron</title>
		<link>http://www.overcomingbias.com/2010/01/weighing-scientists.html#comment-441458</link>
		<dc:creator>Aron</dc:creator>
		<pubDate>Tue, 26 Jan 2010 23:17:00 +0000</pubDate>
		<guid isPermaLink="false">http://www.overcomingbias.com/?p=21614#comment-441458</guid>
		<description>To hell with trials. Do you think the Wikipedia founders should have first started with trials to test the accuracy and breadth of their method?

If prediction markets are so awesome, then there should be opportunities to use them all around the place. Get yourself a clever idea and do it.

It&#039;s not embarassment you need to cultivate, it&#039;s jealousy and greed.

Your moonlighting gig counts for this I suppose.</description>
		<content:encoded><![CDATA[<p>To hell with trials. Do you think the Wikipedia founders should have first started with trials to test the accuracy and breadth of their method?</p>
<p>If prediction markets are so awesome, then there should be opportunities to use them all around the place. Get yourself a clever idea and do it.</p>
<p>It&#8217;s not embarassment you need to cultivate, it&#8217;s jealousy and greed.</p>
<p>Your moonlighting gig counts for this I suppose.</p>
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		<title>By: CJ</title>
		<link>http://www.overcomingbias.com/2010/01/weighing-scientists.html#comment-441451</link>
		<dc:creator>CJ</dc:creator>
		<pubDate>Tue, 26 Jan 2010 22:54:27 +0000</pubDate>
		<guid isPermaLink="false">http://www.overcomingbias.com/?p=21614#comment-441451</guid>
		<description>For what it&#039;s worth, the idea of weighing experts is used in machine and statistical learning as well. For example, in classification problems they will combine various classifiers by weighting each according to its effectiveness. (And yes, there are versions that use Bayes&#039; Rule to compute optimal weightings, but that&#039;s really neither here nor there.)</description>
		<content:encoded><![CDATA[<p>For what it&#8217;s worth, the idea of weighing experts is used in machine and statistical learning as well. For example, in classification problems they will combine various classifiers by weighting each according to its effectiveness. (And yes, there are versions that use Bayes&#8217; Rule to compute optimal weightings, but that&#8217;s really neither here nor there.)</p>
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		<title>By: Andrew Gelman</title>
		<link>http://www.overcomingbias.com/2010/01/weighing-scientists.html#comment-441436</link>
		<dc:creator>Andrew Gelman</dc:creator>
		<pubDate>Tue, 26 Jan 2010 20:57:05 +0000</pubDate>
		<guid isPermaLink="false">http://www.overcomingbias.com/?p=21614#comment-441436</guid>
		<description>I didn&#039;t know that Nature published statistics articles.  My impression is that advances in statistics are published in stat journals or sometimes in journals in related fields (econ, poli sci, sociology, psychology, CS, or (in the case of computational methods) physics), but not in Science or Nature.  If stat articles appear in Science or Nature, I&#039;m not sure what they&#039;re about.</description>
		<content:encoded><![CDATA[<p>I didn&#8217;t know that Nature published statistics articles.  My impression is that advances in statistics are published in stat journals or sometimes in journals in related fields (econ, poli sci, sociology, psychology, CS, or (in the case of computational methods) physics), but not in Science or Nature.  If stat articles appear in Science or Nature, I&#8217;m not sure what they&#8217;re about.</p>
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		<title>By: Tweets that mention Overcoming Bias : Weighing Scientists -- Topsy.com</title>
		<link>http://www.overcomingbias.com/2010/01/weighing-scientists.html#comment-441431</link>
		<dc:creator>Tweets that mention Overcoming Bias : Weighing Scientists -- Topsy.com</dc:creator>
		<pubDate>Tue, 26 Jan 2010 20:21:07 +0000</pubDate>
		<guid isPermaLink="false">http://www.overcomingbias.com/?p=21614#comment-441431</guid>
		<description>[...] This post was mentioned on Twitter by guidoromeo and guidoromeo, Agnese Vardanega. Agnese Vardanega said: Overcoming Bias : Weighing Scientists http://bit.ly/4t7kuP (@guidoromeo) [...]</description>
		<content:encoded><![CDATA[<p>[...] This post was mentioned on Twitter by guidoromeo and guidoromeo, Agnese Vardanega. Agnese Vardanega said: Overcoming Bias : Weighing Scientists <a href="http://bit.ly/4t7kuP" rel="nofollow">http://bit.ly/4t7kuP</a> (@guidoromeo) [...]</p>
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		<title>By: Robin Hanson</title>
		<link>http://www.overcomingbias.com/2010/01/weighing-scientists.html#comment-441430</link>
		<dc:creator>Robin Hanson</dc:creator>
		<pubDate>Tue, 26 Jan 2010 19:18:59 +0000</pubDate>
		<guid isPermaLink="false">http://www.overcomingbias.com/?p=21614#comment-441430</guid>
		<description>Andrew, what about Nature statistics articles; are those often incompetent?</description>
		<content:encoded><![CDATA[<p>Andrew, what about Nature statistics articles; are those often incompetent?</p>
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		<title>By: Andrew Gelman</title>
		<link>http://www.overcomingbias.com/2010/01/weighing-scientists.html#comment-441429</link>
		<dc:creator>Andrew Gelman</dc:creator>
		<pubDate>Tue, 26 Jan 2010 19:17:16 +0000</pubDate>
		<guid isPermaLink="false">http://www.overcomingbias.com/?p=21614#comment-441429</guid>
		<description>Robin:  I disagree with you there.  Acceptance into Nature or Science is a bit of a crapshoot.  My impression is that the social science papers they publish are sometimes pretty wacky.</description>
		<content:encoded><![CDATA[<p>Robin:  I disagree with you there.  Acceptance into Nature or Science is a bit of a crapshoot.  My impression is that the social science papers they publish are sometimes pretty wacky.</p>
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		<title>By: Robin Hanson</title>
		<link>http://www.overcomingbias.com/2010/01/weighing-scientists.html#comment-441428</link>
		<dc:creator>Robin Hanson</dc:creator>
		<pubDate>Tue, 26 Jan 2010 18:51:20 +0000</pubDate>
		<guid isPermaLink="false">http://www.overcomingbias.com/?p=21614#comment-441428</guid>
		<description>Remember this is &lt;em&gt;the&lt;/em&gt; top science journal!   That makes mere incompetence rather unlikely as an explanation - very few incompetent articles make it into &lt;em&gt;Nature&lt;/em&gt;.</description>
		<content:encoded><![CDATA[<p>Remember this is <em>the</em> top science journal!   That makes mere incompetence rather unlikely as an explanation &#8211; very few incompetent articles make it into <em>Nature</em>.</p>
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