dennis roberts wrote:
> but, if we follow this to some logical conclusion ... this could be
> rephrased as meaning ...
>
> situations where you have essentially complete control over variable
> manipulation .... = situations where you can establish 'the truth' (in
> terms of the impacts of these variables on things) ... but, this is
> precisely what many have been arguing on the list about that hypothesis
> testing ... statistical significance testing that is ... is in NO position
> to help you assert 'the truth' ... truth is a metaphysical notion ... not
> statistical
>
> in essence, if 'the truth' is a laudable goal and, for some reason we can
> 'learn of it' through 'scientific investigation' ... then it is NOT
> significance testing that leads us to it ... ... rather it is the DESIGN of
> investigations that is the key ...
Truth has nothing to do with it. We contruct stories of how the universe operates -
we call these stories 'theories' or 'models'. Significance testing is one way in
which we choose between stories as to which is (probably) more useful in a
specified context.
Alan
--
Alan McLean ([EMAIL PROTECTED])
Department of Econometrics and Business Statistics
Monash University, Caulfield Campus, Melbourne
Tel: +61 03 9903 2102 Fax: +61 03 9903 2007
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