01-01-2015 | Editorial
Introduction to special section: quantitative methods
Auteurs:
Dennis A. Revicki, Carolyn E. Schwartz
Gepubliceerd in:
Quality of Life Research
|
Uitgave 1/2015
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Excerpt
For the past 40 years, quantitative methods and psychometric analyses have been an integral component for developing and evaluating the measurement properties of patient-reported and health-related quality of life (HRQL) outcome measures. Advances in the development of new quantitative methods and in the application of these new methods have increased our understanding of the relationship among physiologic, clinical, and HRQL outcomes and improved the development and evaluation of new health outcome instruments. In this section, we are pleased to provide a good cross section of the quantitative methods applied to HRQL and other patient-reported outcome measures in this issue of Quality of Life Research. The twelve papers included in this section cover a range in topics from various approaches to evaluating longitudinal HRQL data, evaluating theoretical models, and applying advanced psychometric methods to understanding conceptual equivalence across countries or in analyzing PRO item-level data. …