Stephen A Roberts

Design and analysis of clinical trials with clustering effects due to treatment

Chris Roberts, C. Roberts, Stephen A Roberts, 2005, Clinical trials.

Design and analysis of trials with a partially nested design and a binary outcome measure

E. Batistatou, C. Roberts, Stephen A Roberts, 2015, Statistics in medicine.

Sample Size and Power Calculations for Trials and Quasi-Experimental Studies with Clustering

E. Batistatou, C. Roberts, Stephen A Roberts, 2014 .