Second part of our Biostatistics course begins March 12, 2010, at statistics.com. This is an online introductory course of 4-week duration with the following structure: *SESSION 1:* Introduction to Designs for Clinical Trials - Control group - Randomization and matching - Blinding and masking - One-way, two-way and repeated measures designs - Cross-over design *SESSION 2:* ROC Curves - Review of sensitivity-specificity - Serial and parallel tests - ROC curve - Predictivity-based ROC curve - Clinical gains from a test *SESSION 3:* Relative Risk (RR) and Odds Ratio (OR) - Definitions and applicability of RR and OR - CI and test of hypothesis for RR - CI and test of hypothesis for attributable risk - CI and test of hypothesis for OR *SESSION 4:* Introductory Survival Analysis - Censored durations and need of special methods - Life table method - Kaplan-Meier method Registration is $499 ($399 for academic). Required text for this course is Medical Biostatistics, Second Edition (Chapman & Hall/CRC Press). Further details at http://www.statistics.com/ourcourses/biostat2/ <http://www.statistics.com/ourcourses/biostat2/>~A. Indrayan You may leave the list at any time by sending the command SIGNOFF allstat to [log in to unmask], leaving the subject line blank.