Yes, you refer to
Cushny, A. R. and Peebles, A. R. The action of optical isomers: II
hyoscines. The Journal of Physiology, 1905, 32: 501.510.
which was used by 'Student' to illustrate the paired t-test.
This is indeed a crossover design.
On Wed, 17 Jan 2007, Tom Backer Johnsen wrote:
> When reading the documentation for the "sleep" data set in R, the
> impression is clear, this is an "independent groups" kind of design
> (two groups of 10 subjects each). However, when browsing the original
> article (referred to in the help file), my impression is quite clear,
> this is really a "repeated measures" kind of data (one group of 10
> subjects, two observations). What is correct?
>
> Tom
>
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>
Charles C. Berry (858) 534-2098
Dept of Family/Preventive Medicine
E mailto:[EMAIL PROTECTED] UC San Diego
http://biostat.ucsd.edu/~cberry/ La Jolla, San Diego 92093-0901
______________________________________________
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