The validity of self-reported drug use in survey research : an overview and critique of research methods / Lana Harrison — The validity of self-reported drug use data : the accuracy of responses on confidential self-adminstered answer sheets / Adele V. Harrell — The recanting of earlier reported drug use by young adults / Lloyd D. Johnston and Patrick M. O'Malley — The reliability and consistency of drug reporting in ethnographic samples / Michael Fendrich … [et al.] — New developments in biological measures in drug prevalence / Edward J. Cone — Comparison of self-reported drug use with quantitative and qualitative urinalysis for assessment of drug use in treatment studies / Kenzie L. Preston … [et al.] — The forensic application of testing hair for drugs of abuse / Mark L. Miller, Brian Donnelly, and Roger M. Martz — Patterns of concordance between hair assays and urinalysis for cocaine : longitudinal analysis of probationers in Pinellas County, Florida / Tom Mieczkowski and Richard Newel — The validity of self-reports of drug use at treatment admission and at followup : comparisons with urinalysis and hair assays / Eric D. Wish, Jeffrey A. Hoffman, and Susanna Nemes — The validity of self-reported cocaine use in two high-risk populations / Stephen Magura and Sung-Yeon Kang –; Assessing drug use in the workplace : a comparison of self-report, urinalysis, and hair analysis / Royer F. Cook, Alan D. Bernstein, and Christine M. Andrews — Studies of nonresponse and measurement error in the National Household Survey on Drug Abuse / Joseph Gfroerer, Judith Lessler, and Teresa Parsley — Adaptive sampling in behavioral surveys / Stephen K. Thompson — Self-reported drug use : results of selected empirical investigations of validity / Yih-Ing Hser — Design and results of the Women's Health Study / Roger Tourangeau … [et al.] — Mode of interview and reporting of sensitive issues : design and implementation of audio computer-assisted self-interviewing / Judith T. Lessler and James M. O'Reilly — Privacy effects on self-reported drug use : interactions with survey mode and respondent characteristics / William S. Aquilino — The use of the psychological laboratory to study sensitive survey topics / Gordon B. Willis — Repeated measures estimation of measurement bias for self-reported drug use with applications to the National Household Survey on Drug Abuse / Paul P. Biemer and Michael Witt — The use of external data sources and ratio estimation to improve estimates of hardcore drug abuse from the NHSDA / Douglas Wright, Joseph Gfroerer, and Joan Epstein.