February, 2003
© 2000, 2001, 2003 Scott S. Emerson, M.D., Ph.D.
Comparison Groups: 5
Probability Model: Comparison Groups
Comment re use of single arm trials
“There are only two types of researchers:
·those with a lot of enthusiasm and no controls, and
·those with a lot of controls and no enthusiasm.”
                                              (unknown)