Table of Contents

List of Tables......................................................................................................... xiii

Preface......................................................................................................................xv

Acknowledgements..............................................................................................xix

Author.....................................................................................................................xxi

List of Acronyms................................................................................................ xxiii

1. Introduction......................................................................................................1

2. All Power Is Conditional Unless It’s Absolute..........................................9

3. Assurance........................................................................................................33

4. Average Power in Non-Normal Settings...................................................59

5. Bayesian Power..............................................................................................75

6. Prior Distributions of Power and Sample Size........................................87

7. Interim Predictions......................................................................................101

8. Case Studies in Simulation........................................................................ 113

9. Decision Criteria in Proof-of-Concept Trials..........................................127

10. Surety and Assurance in Estimation........................................................149

References.............................................................................................................161

Appendix 1 Evaluation of a Double Normal Integral...................................171

Appendix 2 Besag’s Candidate Formula.........................................................173

Index......................................................................................................................175