Not my field at all, but the chapter on ratios
in
Rupert G. Miller.
1986 (reissue 1997).
Beyond ANOVA.
New York: John Wiley (London: Chapman and Hall)
looks relevant.
Nick
[email protected]
David Airey
> > Pharmacology journals, at least in the past, allowed you to divide
> > individual
> > fluorescence values in each of the drug groups by the mean of the
> > control group
> > values as the divisor, and then calculate SEs or SDs from the
> > quotients. This
> > treats the control group's mean as if it were fixed, known.
> It gives
> > an SE
> > that is symmetric about the ratio of the means.
>
>
> This is still allowed. I would love to read a reference in
> which it is
> shown to hurt rather than help. Being in a pharmacology
> department but
> coming from other fields, the practice bothers me.
>
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