I tell them that in intro statistics, they will learn ways to calculate the likelihood that the chance explanation is correct (and if it turns out to be quite unlikely, say <p.05, then we scrap the chance explanation and announce our findings).
 
Really, at Humboldt the Psyc students learn Bayesian inference?  Might you really mean the likelihood of getting data as unsual as these (due to sampling error) were the null true?
 
Most folks stick to the traditional p that is used by almost all psych researchers, that is, P(data | H0), the probability of getting data as unusual as those obtained assuming the null is true, not P(H0 | data), the probability that the null is true given the data.  
----- Original Message -----
Sent: Saturday, June 26, 2004 4:23 PM
Subject: Re: Question about stats in intro texts
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