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BACKGROUND/PURPOSE Quality of life (QoL) is found to be lower in heroin addicts; however, few studies examine detailed QoL performance and related factors in heroin patients attending a methadone(More)
Background and aims The nine-item Internet Gaming Disorder Scale - Short Form (IGDS-SF9) is brief and effective to evaluate Internet Gaming Disorder (IGD) severity. Although its scores show promising(More)
An important assumption for comparing children's quality of life (QoL) between children's and parents' perceptions is that measurement equivalence/invariance (ME/I) exists. The ME/I across the child-(More)