Published on in Vol 2, No 1 (2018): Jan-Jun
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/8202, first published
.
![A Computer-Assisted Personal Interview App in Research Electronic Data Capture for Administering Time Trade-off Surveys (REDCap): Development and Pretest A Computer-Assisted Personal Interview App in Research Electronic Data Capture for Administering Time Trade-off Surveys (REDCap): Development and Pretest](https://asset.jmir.pub/assets/192f19a605958a3ac4292c70aba5df32.jpg 480w,https://asset.jmir.pub/assets/192f19a605958a3ac4292c70aba5df32.jpg 960w,https://asset.jmir.pub/assets/192f19a605958a3ac4292c70aba5df32.jpg 1920w,https://asset.jmir.pub/assets/192f19a605958a3ac4292c70aba5df32.jpg 2500w)
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