• CAT Core Setting Editor (2025)

    This document provides guidance on how to use the European Organisation for Research and Treatment of Cancer (EORTC) Computerised Adaptive Test (CAT) Core Setting Editor and describes its functions. The manual is intended to guide users who want to design the settings of studies applying the EORTC CAT Core instrument.

  • CAT Core Short Form Generator (2025)

    This document provides guidance on how to use the EORTC Short Form Generator and describes the functions of the generator. The manual is intended to guide users who want to design short forms consisting of items from the EORTC CAT Core item banks.

  • CAT Core Short Form Scoring Tool (2025)

    This document provides guidance on how to use the EORTC CAT Short Form Scoring Tool and describes the functions of the tool. The manual is intended to guide users who want to score short forms consisting of items from the EORTC CAT Core item banks.

  • CAT Core Study Interface (2025)

    This document provides guidance on how to use the EORTC CAT Study Interface and describes its various functions. The manual is intended to guide users who want to generate sessions applying the EORTC CAT Core, adjust basic texts shown during the CAT sessions, and export data generated from running CAT sessions.

  • Item Library: Technical Guidelines (2025)

    This document shows the features of the Item Library and explains how it works as a database of items and a tool to create custom item lists.

  • EORTC WISP guideline

    The main purpose of this document is to provide guidance on how to use and interpret the open-ended ‘Write In three Symptoms/Problems’ (WISP) instrument when it is used to supplement the EORTC questionnaires or modules. This guideline assists researchers and clinicians who want to collect and codify open-ended responses obtained from WISP.

  • EORTC QLU-C10D Manual

    The QLU-C10D user manual provides some theoretical background on this different measurement concepts, gives detailed information and guidance on the proper legal and scientific use of the EORTC QLU-C10D, including different modes of administration, scoring procedures, and results reporting.

  • EORTC Item Library User Guidelines (2022)

    This manual provides guidance on the use of the EORTC Item Library for the creation of customised questionnaires (item lists).