[Paleopsych] pygmalion effect

[Marcel Roele]

Don't get me wrong. I do not want to belittle the effect of expectations 
on performance (not just positive, often also negative. Take European 
Championship soccer 2004 e.g. Portugal - host nation - lost twice 
against Greece  - opening match and final; they'd probably won had they 
been able to play somewhere else. Netherlands in  EC 2000 - also host 
nation - missed five penalty kicks in semi-final against Italy. On the 
other hand: South Korea - host nation of 2002 world championship, 
reached semi-final with a rather weak side). But we were NOT talking 
about PERFORMANCE, but about IQ, which is ABILITY (and to a large extent 
INNATE ability).

Marcel

Lynn D. Johnson, Ph.D. wrote:

> 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.
>
> http://www.garfield.library.upenn.edu/classics1980/A1980JD87300001.pdf
>
> Lynn
>
> Michael Christopher wrote:
>
>>>>However, Pygmalion effect (effect of expectations)
>>>>      
>>>>
>>is just 0.5 IQ points (based on serious studies, not 
>>anecdotes).<<
>>
>>--How were the studies done, exactly?
>>
>>michael
>>
>>
>>
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