Technical details 2002
1. SURVEYING
**Universe** 10,000 chief executives from 2,150 enterprises with annual turnover greater than 45 millon euros, as well as consultants and Universtiy professors.
**Coverage** National.
**Sample** obtained 554 cases, with a sampling error ±4.2%, a confidence interval of 95.5 and p=q.
**Survey** By post.
**Field work**
Posted: 19 November 2001.
Reception deadline: 22 January 2002.
2. TÉCHNICAL EVALUATION
Interviews and/or analysis of the information on the first 50 enterprises. Personal interviews were conducted in 41 enterprises from 28 January to 25 February 2002.
