BookPeter M. Fayers and David Machin.
Contents:
Principles of measurement scales
Developing a questionnaire
Scores and measurement : validity, reliability, sensibility
Multi-item scales
Factor analysis and structural equation modelling
Item response theory and differential item functioning
Item banks, item linking, and computer-adaptive tests
Choosing and scoring questionnaires
Clinical trials
Samples sizes
Cross-sectional analysis
Exploring longitudinal data
Modelling longitudinal data
Missing data
Practical and reporting issues
Death and quality-adjusted survival
Clinical interpretation
Biased reporting and response shift
Meta-analysis.