At 10:37 AM -0600 2/19/08, [EMAIL PROTECTED] wrote: > > >> 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 issue here is whether the fight was a consequence of the absence of the >medication.The fight might not have been an isolated and independent >factor.
The only way to sort out the 'might haves' is with better experimental control. This is still not a valid ABAB experimental design. -- 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/ * --- To make changes to your subscription contact: Bill Southerly ([EMAIL PROTECTED])
