Quality report of the 4th European working conditions survey

This quality report describes the various quality aspects of the 4th European working conditions survey in 31 European countries. It is based on reports dispatched from the coordinating organisation to the Foundation, on site audits and on the dataset itself. The primary aim of this document is to describe in some detail the six quality dimensions of the 4th EWC survey data so that users can make the best use of this data for their purposes.