Reports in the Methodology Series address methodological issues concerning data collection systems conducted by SAMHSA's CBHSQ. These reports include studies of new statistical techniques and theories, survey methods, sample design, survey instrument design, and objective evaluations of the reliability of collected data.

NSDUH Sample Redesign Issues and Methodological Studies (PDF - 2.47 MB)
A Proposed Hybrid Sampling Frame for the NSDUH: Final Report (PDF - 810 KB)
Comparison of NSDUH Mental Health Data and Methods with Other Data Sources  (PDF - 320 KB)
M-8: Reliability of Key Measures in the National Survey on Drug Use and Health (PDF - 1 MB)
M-7: Comparing Drug Testing and Self-Report of Drug Use among Youths and Young Adults in the General Population (PDF - 772 KB)
M-6: National Survey on Drug Use and Health: Summary of Methodological Studies, 1971-2005 (PDF - 339 KB)
M-5: Evaluating and Improving Methods Used in the National Survey on Drug Use and Health (PDF - 1.34 MB)
M-4: Drug Abuse Warning Network: Development of a New Design--Methodology Report (PDF - 803 KB)
M-3: Development of Computer-Assisted Interviewing Procedures for the NHSDA (PDF - 8.19 MB)
M-2: Drug Abuse Warning Network Sample Design and Estimation Procedures--Technical Report (PDF - 1.54 MB)
M-1: Substance Abuse in States and Metropolitan Areas: Model Based Estimates from the 1991-1993 NHSDA Methodology Report (PDF - 9.38 MB)