On 17 Jan 2001 08:31:09 -0800, [EMAIL PROTECTED] (dennis roberts) wrote:
>
>if you are thinking about regression to the mean in the typical way ... how
>come this "regression reversal" seems to have occured?
First of all your data are contrived as an example of what "might"
happen and secondly even with these data, the pre and post testing
must be done on many, many real time occasions, i.e. numerous
replications before one can establish a theory of reverse regression.
In nature, I think Galton saw what most people view as a statistical
curiosity in that the offspring of those who may even be outliers move
toward the center on natural dimensions. Like I said in an earlier
post, dullards might produce a Fermi or an Edison. More likely
though they would produce someone more toward the center IMHO. It
appears Mother Nature doesn't lock future generations into extremism.
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