February, 2003
© 2000, 2001
Scott S. Emerson, M.D., Ph.D.
Search for stopping
rule is generally iterative
·An initial
design is specified
·Operating
characteristics are examined
·Modifications
are made to the design
Availability
of tools for evaluation of operating characteristics lessens impact
of family used to define a stopping rule
·Appropriate
designs can be found from almost any starting point