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 Unpublished paper presented at the Annual Conference of the American Association for Public Opinion Research, May.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 | 500 Fifth St. N.W. | Washington, D.C. 20001
Copyright © National Academy of Sciences. All rights reserved.
Terms of Use and Privacy Statement