At 7:09 AM -0600 2/19/08, [EMAIL PROTECTED] wrote:
>
An ABAB design is usually a single case experimental design.
For it to be a valid experiment, conditions other than the experimental
condition (in this case medication) must be held constant -- obviously not
> the case here.
>
Not if you use the subject as his or her own control. The interactional
variables(ironically) are held constant.
No.
Environmental conditions may still vary between baseline and treatment.
In this case, he might have both gone off medication and had a fight
with his girlfriend: confounding variables.
--
The best argument against Intelligent Design is that fact that
people believe in it.
* PAUL K. BRANDON [EMAIL PROTECTED] *
* Psychology Dept Minnesota State University *
* 23 Armstrong Hall, Mankato, MN 56001 ph 507-389-6217 *
* http://krypton.mnsu.edu/~pkbrando/ *
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