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Related Experiment Video

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Computerized Adaptive Testing System of Functional Assessment of Stroke

Computerized Adaptive Testing System of Functional Assessment of Stroke

Published on: January 7, 2019

Testing the construct validity of the gambling functional assessment-revised.

Jeffrey N Weatherly¹, Joseph C Miller, Heather K Terrell

¹University of North Dakota, Grand Forks, ND 58202-8380, USA. jeffrey.weatherly@und.edu

Behavior Modification

|September 3, 2011

Summary

This summary is machine-generated.

The revised Gambling Functional Assessment (GFA) now accurately measures positive and negative reinforcement in gambling behavior. However, positive reinforcement appears more common, potentially complicating comparisons with negative reinforcement, which is linked to greater pathology.

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Area of Science:

Psychology
Behavioral Science
Clinical Psychology

Background:

The Gambling Functional Assessment (GFA) aimed to identify four behavioral contingencies maintaining gambling.
Previous research indicated the original GFA inaccurately identified only two contingencies (positive and negative reinforcement) due to item cross-loading and non-loading issues.

Purpose of the Study:

To revise and validate the Gambling Functional Assessment (GFA) for accurately measuring positive and negative reinforcement contingencies in gambling behavior.
To develop a psychometrically sound instrument for assessing the underlying mechanisms of gambling.

Main Methods:

A revised 22-item GFA was administered to 1,060 undergraduate students.
Exploratory factor analyses (EFA) were performed on half the sample to identify underlying factors.
Confirmatory factor analyses (CFA) using structural equation modeling validated the factor structure on the remaining half.

Main Results:

The revised GFA, named GFA-Revised, consists of 16 items, with 8 items measuring positive reinforcement and 8 measuring negative reinforcement.
Both EFA and CFA confirmed a robust two-factor structure, indicating the GFA-Revised effectively differentiates between positive and negative reinforcement.
Data revealed that gambling maintained by positive reinforcement was more prevalent than that maintained by negative reinforcement.

Conclusions:

The GFA-Revised is a reliable instrument for distinguishing between positive and negative reinforcement in gambling.
The higher frequency of positive reinforcement-maintained gambling may present challenges for direct contingency comparison.
Understanding the differential association of reinforcement types with psychopathology is crucial for targeted interventions.