Under the potential outcomes framework, we propose a randomization based estimation procedure for causal inference from split-plot designs, with special emphasis on 2² designs that naturally arise in ...

Chronic Physical Effects and Health Care Utilization in Long-Term Ovarian Germ Cell Tumor Survivors: A Gynecologic Oncology Group Study Enrichment based on molecular characteristics has emerged as an ...

ANN ARBOR, Mich. — It's a classic Catch-22: Medical researchers need to figure out if a promising new treatment is truly better than a current one, by randomly assigning half of a group of patients to ...