- Type of survey: continuous on an annual basis
- Population scope: companies, public organisations, universities and higher education centers and private non-profit institutions carrying out R activities
- Geographical scope: the entire national territory
- Reference period of the results: the year before that of data collection
- Reference period of the information: for expenditure, the calendar year; for staff, the annual average and full-time equivalence (persons/year)
- Sample size: 45,000 companies , 549 public administration centres (includes public hospitals), 83 universities, 125 higher education centres y 125 private non-profit institutions.
- Type of sampling: comprehensive for units within the directory and random sampling for companies not included
- Collection method: mixed system with mailings and participation of interviewers
Methodology documents, questionnaires, classifications...