> "Simon, Steve, PhD" wrote:
>
> Jay Tanzman got chewed out by his boss for averaging a 7 point ordinal scale.
> Generally it is not a good idea to argue with your boss, but perhaps you might
> ask what was the grade point average that he or she received in college. When
> you hear the response, then ask if the grading scale A, B, C, D, F is ordinal
> or interval.
I'm going to ask him.
> A possible compromise is to model the data as if it were interval and then
> model it as if it were ordinal. If the two models are reasonably similar,
> good. If they differ, that is still good, as it allows you to then explore why
> the two models differ.
I partially did this, insofar as I ran Pearson and Spearman correlations between
several of the scales and, not surprisingly, the two correlation coefficients
and their p-values were similar. Dr. Kim was not impressed.
-Jay
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