Journal article
A Computer-Assisted Personal Interview App in Research Electronic Data Capture for Administering Time Trade-off Surveys (REDCap): Development and Pretest
Abstract
BACKGROUND: The time trade-off (TTO) task is a method of eliciting health utility scores, which range from 0 (equivalent to death) to 1 (equivalent to perfect health). These scores numerically represent a person's health-related quality of life. Software apps exist to administer the TTO task; however, most of these apps are poorly documented and unavailable to researchers.
OBJECTIVE: To fill the void, we developed an online app to administer …
Authors
Oremus M; Sharafoddini A; Morgano GP; Jin X; Xie F
Journal
JMIR Formative Research, Vol. 2, No. 1,
Publisher
JMIR Publications
DOI
10.2196/formative.8202
ISSN
2561-326X