5. Reliability and Method Comparison Studies for Quality of Life Measurements
Published Online: 10 SEP 2009
DOI: 10.1002/9780470840481.ch5
Copyright © 2009 John Wiley & Sons, Ltd
Book Title
Quality of Life Outcomes in Clinical Trials and Health-Care Evaluation: A Practical Guide to Analysis and Interpretation
Additional Information
How to Cite
Walters, S. J. (2009) Reliability and Method Comparison Studies for Quality of Life Measurements, in Quality of Life Outcomes in Clinical Trials and Health-Care Evaluation: A Practical Guide to Analysis and Interpretation, John Wiley & Sons, Ltd, Chichester, UK. doi: 10.1002/9780470840481.ch5
Publication History
- Published Online: 10 SEP 2009
- Published Print: 25 SEP 2009
Book Series:
ISBN Information
Print ISBN: 9780470753828
Online ISBN: 9780470686140
- Summary
- Chapter
Keywords:
- reliability and method comparison studies for QoL measurements;
- intra-class correlation coefficient using test–retest study;
- ANOVA table in estimating intra-class correlation;
- estimating test–retest reliability;
- Cohen's kappa index of agreement;
- QoL items measured using ordered categorical responses;
- internal consistency and Cronbach's alpha;
- correlation coefficient - measure of association between continuous variables;
- QoL instrument in measuring fatigue in cancer;
- Cronbach's alpha calculation
Summary
This chapter contains sections titled:
Summary
Introduction
Intra-class correlation coefficient
Agreement between individual items on a quality of life questionnaire
Internal consistency and Cronbach's alpha
Graphical methods for assessing reliability or agreement between two quality of life measures or assessments
Further reading
Technical details