Development of a computerized adaptive substance use disorder scale for screening and measurement: the CAT-SUD.

ABSTRACT:

Background and aims

The focus of this paper is on the improvement of substance use disorder (SUD) screening and measurement. Using a multi-dimensional item response theory model, the bifactor model, we provide a psychometric harmonization between SUD, depression, anxiety, trauma, social isolation, functional impairment and risk-taking behavior symptom domains, providing a more balanced view of SUD. The aims are to (1) develop the item-bank, (2) calibrate the item-bank using a bifactor model that includes a primary dimension and symptom-specific subdomains, (3) administer using computerized adaptive testing (CAT) and (4) validate the CAT-SUD in Spanish and English in the United States and Spain.

Design

Item bank construction, item calibration phase, CAT-SUD validation phase.<

SUBMITTER: Gibbons RD 

PROVIDER: S-EPMC7292751 | biostudies-literature | 2020 Jul

REPOSITORIES: biostudies-literature