Articles Appearing in Vol. 30, No. 1

Introduction
Michael Fendrich, Peter V. Miller

Developing Computer Assisted Interviewing (CAI) for the National Household Survey on Drug Abuse
Judith T. Lessler, Rachel A. Caspar, Michael A. Penne, Peggy R. Barker

A Comparison of Confidential versus Anonymous Survey Procedures: Effects on Reporting of Drug Use and Related Attitudes and Beliefs in a National Study of Students
Patrick M. O'Malley, Lloyd D. Johnston, Jerald G. Bachman, John Schulenberg

An Experiment to Enhance the Reporting of Drug Use by Arrestees
Eric D. Wish, Thomas Gray, Jonathan Sushinsky, George S. Yacoubian, Jr., and Nora Fitzgerald

An Evaluation of the Effects of Interviewer Characteristics in an RDD Telephone Survey of Drug Use
Timothy P. Johnson, Michael Fendrich, Chitra Shaligram, Anthony Garcy, Samuel Gillespie

Response Reliability and the Study of Adolescent Substance Use Progression
Andrew Golub, Erich Labouvie, Bruce D. Johnson

Correlates of Underreporting of Post-Discharge Cocaine Use among Therapeutic Community Clients
Nena P. Messina, Eric D. Wish, Susanna Nemes, Brook Wraight

Is It Advisable to Urine Test Arrestees to Assess Risk of Rearrest? A Comparison of Self-Report and Urinalysis-Based Measures of Drug Use
Christina DeJong, Eric D. Wish

Investigating Potential Differences between Cocaine Users and Distributors Using the Ion Mobility Spectrometer
Tom Mieczkowski, Barbara Hussey, Rosemary Mumm, Harry F. Connick

Drug Screening: A Comparison of Urinalysis Results from Two Independent Laboratories
K. Jack Riley, Natalie T. Lu, Bruce G. Taylor

Estimation of Heroin Prevalence in Michigan Using Capture-Recapture and Heroin Problem Index Methods
Richard F. Calkins, Georgia B. Aktan

Identifying Pregnant Substance Abusers and Studying their Treatment Using Birth Certificates, Medicaid Claims, and State Substance Abuse Treatment Data
Embry M. Howell, Nancy Heiser, Ann Cherlow, Mei-Ling Mason, Daisy Ewell, Suzanne Rotwein