In depth information on the ETER Methodology, Data Sources, the Data Collection Process, Data Completeness, the Perimeter and Coverage of ETER, the ETER Quality Statement and Dissemination and Timelines can be found in the data section. The full methodology of the ETER data collection can be found in the project Handbook.

The API Documentation and information on importing ETER data into R, Stata and SPSS are available in the technical documentation.