A within-subjects trial to test the equivalence of online and paper outcome measures: the Roland Morris Disability Questionnaire
<p>Abstract</p> <p>Background</p> <p>Augmenting validated paper versions of existing outcome measures with an equivalent online version may offer substantial research advantages (cost, rapidity and reliability). However, equivalence of online and paper questionnaires ca...
Main Authors: | , , , , , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2010-06-01
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Series: | BMC Musculoskeletal Disorders |
Online Access: | http://www.biomedcentral.com/1471-2474/11/113 |