Manuals

This manual describes the process of development of new questionnaires.

This manual provides information that is needed for scoring the EORTC core questionnaire and associated modules.

For the scoring algorithm to generate the summary score please click here.

This manual covers the process for developing new questionnaires, describing the standard procedure of four phases of development and testing. An updated version was released in 2021 and questionnaires whose development (or relevant phase of development) started after the release of the updated version follow the updated version.

This manual focuses on the EORTC Translation Procedure, describing in detail the translation and cultural adaptation process that is followed for the development of new language versions of EORTC questionnaires.

This manual contains information about normative scores and reference scores across various cancer populations.

This manual supports health care professionals and other stakeholders in the successful and sustainable implementation of the EORTC QOL measures in daily clinical practice.

This document outlines the guidelines for migration of the EORTC questionnaires onto electronic platforms, allowing them to be used as ePRO measures in academic and commercial studies.