NLTS2 Sampling, Data Collection, and Analysis Procedures

Appendix A describes the following aspects of the NLTS2 methodology relevant to the data reported here:

• sampling local education agencies (LEAs) and students;⁵³
  
  
• data sources and response rates;
  
  
• weighting the youth data;
  
  
• estimation and use of standard errors;
  
  
• calculating statistical significance; and
  
  
• disability classifications.