FAQS | Quality control
All translations/adaptations of EQ-5D are produced using a standardized translation protocol that conforms to internationally recognized guidelines. These guidelines aim to ensure equivalence to the English ‘source’ version and involve a forward/backward translation process and cognitive debriefing. No translation can receive official endorsement from the EuroQol Research Foundation, unless it has been performed in strict…
Read MoreTranslation certificates for Paper Self-Complete versions are applicable for all corresponding modes of administration and can be provided upon request. Translation certificates only confirm and reflect the most extensive translation procedure and will not be revised if minor or major modifications are made as the underlying translation procedure is unchanged.
Read MoreNew products are released as soon as they are available for use.
Read MorePlease contact the EuroQol Office for the release notes from the update. These describe the changes and the reasons for them.
Read MoreA list of all products and their version number is available on our website. If you have any additional questions, please contact the EuroQol Office.
Read MoreNo, your current study is not affected. The content of our products has not changed. You can use the existing EQ-5D products with confidence.
Read MoreMinor and major changes, when they occur, will be published immediately.
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