Reporting health events in household interviews : effects of reinforcement, question length, and reinterviews /
Marquis, Kent H.
Cannell, Charles F.
Laurent, André,1937-
University of Michigan.Survey Research Center.
Rockville, Md. : National Center for Health Statistics,
1972.
"This study was conducted by the Survey Research Center ... University of Michigan."
Includes bibliographical references.
Health surveys.
Interviewing.