U.S. Bureau of the Census 1979 Vocational school experience: October, 1976. In Current Population Reports Series P-70, No. 343. Washington, DC: Department of Commerce.


Warner, K. 1978 Possible increases in the underreporting of cigarette consumption. Journal of the American Statistical Association 73:314–318.


Yen, W., and H.Nelson 1996 Testing the Validity of Public Assistance Surveys with Administrative Records: A Validation Study of Welfare Survey Data. Unpublished paper presented at the Annual Conference of the American Association for Public Opinion Research, May.



The National Academies of Sciences, Engineering, and Medicine
500 Fifth St. N.W. | Washington, D.C. 20001

Copyright © National Academy of Sciences. All rights reserved.
Terms of Use and Privacy Statement