Now showing items 1-5 of 5
Using a latent variable approach to inform gender and racial/ethnic differences in cocaine dependence: a National Drug Abuse Treatment Clinical Trials Network study.
(Journal of substance abuse treatment, 2010-06)
This study applies a latent variable approach to examine gender and racial/ethnic differences in cocaine dependence, to determine the presence of differential item functioning (DIF) or item-response bias to diagnostic questions ...
Alcohol and drug dependence symptom items as brief screeners for substance use disorders: results from the Clinical Trials Network.
(Journal of psychiatric research, 2012-03)
AIM:To address an urgent need for screening of substance use problems in medical settings, we examined substance-specific dependence criteria as potential brief screeners for the detection of patients with a substance use ...
Use of item response theory and latent class analysis to link poly-substance use disorders with addiction severity, HIV risk, and quality of life among opioid-dependent patients in the Clinical Trials Network.
(Drug and alcohol dependence, 2011-11)
BACKGROUND:This study applied item response theory (IRT) and latent class analysis (LCA) procedures to examine the dimensionality and heterogeneity of comorbid substance use disorders (SUDs) and explored their utility for ...
Evaluating brief screeners to discriminate between drug use disorders in a sample of treatment-seeking adults.
(General hospital psychiatry, 2013-01)
OBJECTIVE:The objective was to identify a potential core set of brief screeners for the detection of individuals with a substance use disorder (SUD) in medical settings. METHOD:Data were from two multisite studies that evaluated ...
A dimensional approach to understanding severity estimates and risk correlates of marijuana abuse and dependence in adults.
(International journal of methods in psychiatric research, 2012-06)
While item response theory (IRT) research shows a latent severity trait underlying response patterns of substance abuse and dependence symptoms, little is known about IRT-based severity estimates in relation to clinically ...