In article <ye1C4.14$[EMAIL PROTECTED]>, 
[EMAIL PROTECTED] says...
> I have been trying to explain to some co-workers that a sample
> can be too big.
> That is not very easy because it is contratictory to what
> intuition says.
> 
> Can someone point me to some good arguments or literature?
> Or correct me if my assumption is wrong?
> 
If the sample is too large, effects could be significant although trivial 
in magnitude. As for references, see

Raftery, A.E. (1986) "Choosing modles for cross-classifications: comment 
on Grusky and Hauser". American Sociological Review 51: 145-146.

Raftery, A.E. (1995) "Bayesian model selection in social research". 
Sociological Methodology 25: 111-163.

Raftery's BIC is often used in loglinear models of occupational mobility, 
where large sample sizes often lead to overly complex models.

Hope this helps,
John Hendrickx


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