Document Detail


Relative precision, efficiency and construct validity of different starting and stopping rules for a computerized adaptive test: the GAIN substance problem scale.
MedLine Citation:
PMID:  17215565     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Substance abuse treatment programs are being pressed to measure and make clinical decisions more efficiently about an increasing array of problems. This computerized adaptive testing (CAT) simulation examined the relative efficiency, precision and construct validity of different starting and stopping rules used to shorten the Global Appraisal of Individual Needs' (GAIN) Substance Problem Scale (SPS) and facilitate diagnosis based on it. Data came from 1,048 adolescents and adults referred to substance abuse treatment centers in 5 sites. CAT performance was evaluated using: (1) average standard errors, (2) average number of items, (3) bias in person measures, (4) root mean squared error of person measures, (5) Cohen's kappa to evaluate CAT classification compared to clinical classification, (6) correlation between CAT and full-scale measures, and (7) construct validity of CAT classification vs. clinical classification using correlations with five theoretically associated instruments. Results supported both CAT efficiency and validity.
Authors:
Barth B Riley; Kendon J Conrad; Nikolaus Bezruczko; Michael L Dennis
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Journal of applied measurement     Volume:  8     ISSN:  1529-7713     ISO Abbreviation:  J Appl Meas     Publication Date:  2007  
Date Detail:
Created Date:  2007-01-11     Completed Date:  2007-04-20     Revised Date:  2012-03-28    
Medline Journal Info:
Nlm Unique ID:  101084377     Medline TA:  J Appl Meas     Country:  United States    
Other Details:
Languages:  eng     Pagination:  48-64     Citation Subset:  IM    
Affiliation:
Department of Disability and Human Development, M/C 626, University of Illinois at Chicago, 1640 W. Roosevelt Rd., Chicago, IL 60608, USA. barthr@uic.edu
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Diagnosis, Computer-Assisted*
Female
Humans
Male
Models, Psychological*
Questionnaires*
Substance-Related Disorders / diagnosis*
Grant Support
ID/Acronym/Agency:
DA 11323/DA/NIDA NIH HHS; R37 DA011323-13/DA/NIDA NIH HHS; R37 DA011323-14/DA/NIDA NIH HHS; TI11317/TI/CSAT SAMHSA HHS; TI11320/TI/CSAT SAMHSA HHS; TI11321/TI/CSAT SAMHSA HHS; TI11323/TI/CSAT SAMHSA HHS; TI11324/TI/CSAT SAMHSA HHS

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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