This report in the Round Three Methodology Series focuses on the 2002 NSAF questionnaire. The introductory chapter describes the household screener and extended interview. In addition, the chapter covers respondent selection, types of NSAF interviews, and the NSAF family definition so that the reader may gain a better understanding of the NSAF questionnaire. The second chapter describes differences in the survey instruments between the 1999 and 2002 NSAF surveys. The remainder of the report provides the full text of the 2002 questionnaire.