Lawson,

I answered your question in my post and the link to my article.

Please read them for the answers you seek from me.

I will add that Doug Heckathorne of Cornell has reworked "snowball sampling" as 
"respondent driven sampling." He claims, and has the math to back it up, that 
RDS -- 
even web surveys based on RDS -- can approach the validity of random sampling.

http://www.respondentdrivensampling.org/

J.

--- In [email protected], "sparaig" <[EMAIL PROTECTED]> wrote:
>
> --- In [email protected], "John M. Knapp, LMSW" <jmknapp53@> 
> wrote:
> >
> > Geez, Lawson,
> > 
> > Why not ask me yourself?
> > 
> > I know more about scientific research than I did when I posted the "German 
> > Study" 13 
> > years ago.
> > 
> > But I still believe it has value. Its "snowball sample" methodology and its 
> > small sample 
> size 
> > certainly don't make it statistically valid. It's really a collection of 
> > anecdotal reports, in 
> > essence.
> > 
> > That doesn't mean it's without value. Qualitative research, even anecdotal 
> > reports, 
have 
> an 
> > honored place in medical, psychological, and social research.
> > 
> > Many, if not most, research questions have their origins in anecdotal 
> > reports.
> > 
> > If you care to know my current take on anecdotal research, with 
> > observations on the 
> > "German Study," I devote a fair number of words to the subjects in an 
> > article I wrote 
> some 
> > time ago: http://knappfamilycounseling.com/tmdangers.html . There's a drop 
> > down 
> menu 
> > about a third of the way down that discusses the value of anecdotal 
> > research.
> > 
> > And please, feel free to address your questions directly to me when you've 
> > got 
> something 
> > to ask.
> 
> 
> ALright, what do YOU think of "snowball" research?
> 
> Do you REALLY think the German "TM Study"  has validity as statistics, rather 
> than as a 
> guide for controlled research? How is it any different than finding a bunch 
> of TMers who 
> claim  that everything in their life is hunky-dory?
> 
> Lawson
>


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