Designing Randomised Trials in Health, Education and the Social Sciences: An Introduction

Front Cover
Springer, Mar 13, 2008 - Social Science - 210 pages
The book focuses on the design of rigorous trials rather than their statistical underpinnings, with chapters on: pragmatic designs; placebo designs; preference approaches; unequal allocation; economics; analytical approaches; randomization methods. It also includes a detailed description of randomization procedures and different trial designs.
 

Contents

1 Background to Controlled Trials
1
2 The Limitations of Before and After Designs
9
3 History of Controlled Trials
17
4 What is Special About Randomisation?
22
5 Sources of Bias Within Randomised Trials
44
6 Placebo and Sham Trials
71
7 Pragmatic and Explanatory Trials
76
8 Designs to Deal with Participant Preference
87
12 Pilot Randomised Controlled Trials
119
13 Sample Size and Analytical Issues
127
14 Measuring Outcomes
147
15 Recruitment into Randomised Trials
152
16 Systematic Reviews of Randomised Controlled Trials
160
17 Economic Evaluation Alongside Randomised Trials
175
18 Conclusions
185
References
192

9 Cluster Randomised Controlled Trials
99
10 Unequal Randomisation
108
11 Factorial Randomised Controlled Trials
114

Other editions - View all

Common terms and phrases

About the author (2008)

DAVID J. TORGERSON is Director of the York Trials Unit, University of York, UK. He has published extensively on randomized trial design and has worked on trials in health and educational research.

CAROLE J. TORGERSON is a Senior Research Fellow in the Institute for Effective Education at the University of York, UK. She has published extensively in the field of systematic reviews of randomized trials. She is Co-Chair of the Campbell Collaboration Education Co-ordinating Group. She has also worked on a number of randomized trials in the field of education.

Bibliographic information