2002 BASS IX Tutorials and Keynote Address presentations: SessionSpeakerPresentation M-1Gordon LanOverruling of the Sequential Boundary and Sample Size Estimation M-2Pat Darken and Matt SomervilleExamining Assumptions in the General Linear and Cox Regression Models: A Guide for the Pharmaceutical Industry Statistician M-3Chen-Sheng Lin and Kalyanee Viraswami-AppannaA Comparison of Multiple Intensity Models with Cox Proportional Models and Annualized-Rate Method for Patients with Multiple Failure Outcomes M-4Amy Ma and Akiko OkamatoAnalysis of Recurrent Events and Application to Clinical Trials M-5Doug FariesImprovement in Clinical Trial Designs: Lead-Ins, Blinding and Rating Scales T-1Christopher Schmid and Joseph CappelleriUsing Meta-Analysis to Explore Differences in Study Effects T-2Robb Muirhead and Eve PickeringApplication of Multivariate Reference Regions to Clinical Laboratory Data T-3R. K. ElswickSample Size and Power in the Mixed Model T-4William DuMouchelDrug Adverse Event Surveillance Using the Multiple-Item Gamma Poisson Shrinker(MGPS) Keynote AddressSusan EllenbergAssessing Risk: Old and New Challenges for the FDA W-1Stan LinToward Better Clinical Designs Through Modern Simulation W-2Rafia Bhore and Mohammad HuqueTime Dependence of Serious Adverse Events in the Assessment of Safety W-3Raji Sridhara, George Chi and Robert O'NeillEvaluating Surrogate Endpoints Using Sensitivity and Specificity Analyses