Hardcore drug users claim to be occasional users: drug use frequency underreporting

This publication has 12 references indexed in Scilit:

• The validity of self-reported cocaine use in two groups of cocaine abusers.
  Journal of Consulting and Clinical Psychology, 1999
• Comparing self-reported cocaine use with repeated urine tests in outpatient cocaine abusers.
  Experimental and Clinical Psychopharmacology, 1997
• Introduction-The Validity of Self-Reported Drug Use: Improving the Accuracy of Survey Estimates
  Published by American Psychological Association (APA) ,1997
• The Validity of Self-Reported Drug Use Data: The Accuracy of Responses on Confidential Self- Administered Answered Sheets
  Published by American Psychological Association (APA) ,1997
• The Validity of Self-Reports of Drug Use at Treatment Admission and at Followup: Comparisons With Urinalysis and Hair Assays
  Published by American Psychological Association (APA) ,1997
• Can you trust patient self-reports of drug use during treatment?
  Drug and Alcohol Dependence, 1994
• Reliability and validity of 6-month timeline reports of cocaine and heroin use in a methadone population.
  Journal of Consulting and Clinical Psychology, 1994
• The Validity of Methadone Clients' Self-Reported Drug Use
  International Journal of the Addictions, 1987
• On establishing the validity of ‘objective’ data: can we rely on cross-interview agreement?
  Psychological Medicine, 1980
• An Improved Diagnostic Evaluation Instrument for Substance Abuse Patients
  Journal of Nervous & Mental Disease, 1980