
Technical data file user manuals provide detailed information about the statistical design of the ELS:2002 survey waves, data collection methodology, response rates and bias analyses, assessment design, transcript collection methodology, and many other subjects.
Each user manual summarizes technical information relevant to previous survey waves and then provides detailed information about the follow-up that it mainly supports.
The main technical documentation is:
Education Longitudinal Study of 2002/2004: Base-Year to First Follow-up Data File Documentation
Other technical documentation can be found at the Publications and Products section.