When Was a 'Negative' Clinical Trial Big Enough?

The Importance of Beta, the Type II Error and Sample Size in the Design and Interpretation of the Randomized Control Trial

1978 • 1,634 citations

Significance Testing to Establish Equivalence between Treatments, with Special Reference to Data in the Form of 2 x 2 Tables

1977 • 400 citations

Sample Size Nomograms For Interpreting Negative Clinical Studies

1983 • 261 citations