February, 2003
© 2000, 2001, 2003 Scott S. Emerson, M.D., Ph.D.
Session 1- Fixed Sample Design: 11
Scientific Hypotheses: Experimental Goal
Conditions under which current practice will be changed (cont.)
Discarding an existing treatment
·Inferiority
-Worse than using no treatment (harmful)
-Markedly worse than another treatment
·Equivalence
-(? Equivalent to using no treatment)