Date of Award


Degree Name

Doctor of Philosophy



First Advisor

Upton, Thomas


Excessive video play has been well documented over the course of the last decade. So much so that newest version of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5; APA, 2013) has included excessive video gaming as disorder categorized as internet gaming disorder. To date, several researchers have designed assessments to evaluate excessive video game play based on the previous editions and current editions of the DSM. However, these assessments primarily measure the criterion established in these manuals, instead of measuring the maintaining function of the video game play. The field of applied behavior analysis has been utilizing functional assessments for the last 30 years and has showed evidence of effective results across different populations and environments. Therefore, the purpose of this proposed study is to validate an indirect functional assessment entitled the Video Game Functional Assessment-Revised (VGFA-R) by means of conducting content, construct and criterion related validity.




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