On Fri, 8 Feb 2002, Thomas Souers wrote:
>
> 2) Secondly, are contrasts used primarily as planned comparisons? If so, why?
>
I would second those who've already indicated that planned comparisons are
superior in answering theoretical questions and add a couple of comments:
1) an omnibus test
n_endors /cells= count row column total/.
>
> If it is a perfect Guttman scale pattern will have only six values 0,
> 1, 11000, 11100, 0, 1.
>
> hope this helps.
>
> Mike Granaas wrote:
>
> > HI all,
> >
> > Hoping someone can point me
On Wed, 5 Dec 2001, Karl L. Wuensch wrote:
>
>
> So why is it that many persons believe that one can make causal inferences
>with confidence from the results of two-group t tests and ANOVA but not with the
>results of correlation/regression techniques. I believe that this delusio
On Thu, 13 Sep 2001, Dennis Roberts wrote:
> see the article that focuses on this even if they do report effect sizes ... )
>
> what we need in all of this is REPLICATION ... and, the accumulation of
> evidence about the impact of independent variables that we consider to have
> important poten
On Mon, 29 Jan 2001, dennis roberts wrote:
>
> one of the summary points made is the following:
>
> "P values, or significance levels, measure the strength of the evidence
> against the null hypothesis; the smaller the P value, the stronger the
> evidence against the null hypothesis"
I would
One of the Chance lectures (http://www.dartmouth.edu/~chance) from about 2
years ago spoke about this. The example I remember had to do with the
safety of airtravel. Specifically the speaker translated the probability
of dying in an airplane accident into "one flight per day for xxx years"
(I t
