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PS: here is Rosenthal's 1980 summary, suggesting that the expectancy
effect is actually quite robust and large, and not at all
insignificent, based on 345 studies.<br>
<br>
<a class="moz-txt-link-freetext" href="http://www.garfield.library.upenn.edu/classics1980/A1980JD87300001.pdf">http://www.garfield.library.upenn.edu/classics1980/A1980JD87300001.pdf</a><br>
<br>
Lynn<br>
<br>
Michael Christopher wrote:<br>
<blockquote type="cite"
 cite="mid20040730194947.26499.qmail@web13424.mail.yahoo.com">
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    <blockquote type="cite">
      <pre wrap="">However, Pygmalion effect (effect of expectations)
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  <pre wrap=""><!---->is just 0.5 IQ points (based on serious studies, not 
anecdotes).&lt;&lt;

--How were the studies done, exactly?

michael



        
                
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