Key concepts in clinical epidemiology: Responsiveness, the longitudinal aspect of validity.

Publisher: Elsevier Country of Publication: United States NLM ID: 8801383 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1878-5921 (Electronic) Linking ISSN: 08954356 NLM ISO Abbreviation: J Clin Epidemiol Subsets: MEDLINE

Publication: New York : Elsevier
Original Publication: Oxford ; New York : Pergamon Press, c1988-

Epidemiology* ; Outcome Assessment, Health Care*/methods ; Outcome Assessment, Health Care*/standards; Activities of Daily Living ; Humans ; Longitudinal Studies ; Osteoarthritis/therapy ; Reproducibility of Results ; Surveys and Questionnaires ; Treatment Outcome

Objectives: Responsiveness is one of nine measurement properties that reflect the quality of outcome measurement instruments.
Methods: In this article, we explain that responsiveness is considered longitudinal validity, which refers to the degree to which an instrument is able to measure change in the construct to be measured.
Results: Responsiveness should be assessed in a longitudinal design, where hypotheses are tested about (1) the expected direction and magnitude of correlations between change scores on the instrument of interest and change scores of other instruments; (2) expected differences in change scores between different subgroups (i.e. known groups); or (3) the magnitude of the change in score that is expected on the construct of interest after a treatment with known efficacy.
Conclusion: Responsiveness cannot be proven, though, it is an ongoing process of testing hypotheses.
(Copyright © 2021 The Author(s). Published by Elsevier Inc. All rights reserved.)

Keywords: COSMIN; Longitudinal validity; Measurement instruments; Responsiveness; hypotheses testing; outcomes

Date Created: 20210611 Date Completed: 20220124 Latest Revision: 20220124

20231215

10.1016/j.jclinepi.2021.06.002

34116141