--- In FairfieldLife@yahoogroups.com, "shempmcgurk" <[EMAIL PROTECTED]>
> --- In FairfieldLife@yahoogroups.com, "Patrick Gillam" 
> <jpgillam@> wrote:
> >
> > --- shempmcgurk wrote:
> > >
> > > Here's the article in question, Billie:
> > > 
> > > http://tinyurl.com/hmron
> > > 
> > > I, for one, would indeed like to know what the nation's "top 
> > > scientists" thought of the movie...not JUST the 19 of 100 
> contacted 
> > > who had seen the movie or read the book.  Wouldn't you?
> > 
> > Thanks for the link. I got the impression the article 
> > only gathered impressions from those who had seen the movie.
> > 
> > "Those who have seen it had the same general impression..."
> > 
> > Many had not seen the movie, hence, I would surmise, 
> > the relatively low number of citations vs. contacts.
> >
> In light of the fact that only 19 of 100 contacted had seen the 
> movie, do you think it was fair of the AP to lead with: "The 
> nation's top climate scientists are giving 'An Inconvenient Truth,' 
> Al Gore's documentary on global warming, five stars for accuracy." ?

Actually, quite emphatically yes.

Actually a sample size of 19% is quite a substantial and meaningful
sample. Often, quite valid samples, are <<1% of the relevant
population (sample space).

Granted, this was sort of a backwards and not random sample. Its not
the same as drawing a random sample of the 100 and having then go see
the movie. Those 19 out of 100 who went to see the firm "on their own" 
might have some "self-selective bias". 

Yet, 19/100 is such a large sample, this group of 19 (or a strong
majority of it, say 12 of the 19, would apppear in a majority of all
possible random samples of 19/100. Thus, its a pretty strong valid
indicator of the views of the group. That is, the probablity of the
views of the sample being very different than the views of the
population is quite small.

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