February, 2003
© 2000, 2001  Scott S. Emerson, M.D., Ph.D.
Session 2: 64
Stopping Rules
Boundaries at the analyses
aj £ bj £ cj £ dj are the ‘a’, ‘b’, ‘c’, and ‘d’ boundaries at the j-th analysis (when Nj  observations)
At the final (J-th) analysis aJ = bJ and cJ = dJ to guarantee stopping