@Article{info:doi/10.2196/12006,
author="Molander, Olof
and Volberg, Rachel
and Sundqvist, Kristina
and Wennberg, Peter
and M{\aa}nsson, Viktor
and Berman, Anne H",
title="Development of the Gambling Disorder Identification Test (G-DIT): Protocol for a Delphi Method Study",
journal="JMIR Res Protoc",
year="2019",
month="Jan",
day="08",
volume="8",
number="1",
pages="e12006",
keywords="consensus methods; Delphi technique; DSM-5; gambling; Gambling Disorder Identification Test; measurement; psychometrics; screening",
abstract="Background: Research on the identification and treatment of problem gambling has been characterized by a wide range of outcome measures and instruments. However, a single instrument measuring gambling behavior, severity, and specific deleterious effects is lacking. Objective: This protocol describes the development of the Gambling Disorder Identification Test (G-DIT), which is a 9- to 12-item multiple-choice scale with three domains: gambling consumption, symptom severity, and negative consequences. The scale is analogous to the widely used Alcohol Use Disorders Identification Test (AUDIT) and the Drug Use Disorders Identification Test (DUDIT). Methods: The G-DIT is developed in four steps: (1) identification of items eligible for the G-DIT from a pool of existing gambling measures; (2) presentation of items proposed for evaluation by invited expert researchers through an online Delphi process and subsequent consensus meetings; (3) pilot testing of a draft of the 9- to 12-item version in a small group of participants with problem gambling behavior (n=12); and (4) evaluation of the psychometric properties of the final G-DIT measure in relation to the existing instruments and self-reported criteria of the Diagnostic and Statistical Manual of Mental Disorders, 5th edition (DSM-5), among individuals with problem gambling and nonproblematic recreational gambling behaviors (n=600). This protocol article summarizes step 1 and describes steps 2 and 3 in detail. Results: As of October 2018, steps 1-3 are complete, and step 4 is underway. Conclusions: Implementation of this online Delphi study early in the psychometric development process will contribute to the face and construct validity of the G-DIT. We believe the G-DIT will be useful as a standard outcome measure in the field of problem gambling research and serve as a problem-identification tool in clinical settings. International Registered Report Identifier (IRRID): RR1-10.2196/12006 ",
issn="1929-0748",
doi="10.2196/12006",
url="http://www.researchprotocols.org/2019/1/e12006/",
url="https://doi.org/10.2196/12006",
url="http://www.ncbi.nlm.nih.gov/pubmed/30622097"
}