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Clark, Gavin
- PublicationTrait Mindfulness, Problem-Gambling Severity, Altered State of Awareness and Urge to Gamble in Poker-Machine Gamblers
In Australia, poker-machine gamblers represent a disproportionate number of problem gamblers. To cultivate a greater understanding of the psychological mechanisms involved in poker-machine gambling, a repeated measures cue-reactivity protocol was administered. A community sample of 38 poker-machine gamblers was assessed for problem-gambling severity and trait mindfulness. Participants were also assessed regarding altered state of awareness (ASA) and urge to gamble at baseline, following a neutral cue, and following a gambling cue. Results indicated that: (a) urge to gamble significantly increased from neutral cue to gambling cue, while controlling for baseline urge; (b) cue-reactive ASA did not significantly mediate the relationship between problem-gambling severity and cue-reactive urge (from neutral cue to gambling cue); (c) trait mindfulness was significantly negatively associated with both problem-gambling severity and cue-reactive urge (i.e., from neutral cue to gambling cue, while controlling for baseline urge); and (d) trait mindfulness did not significantly moderate the effect of problem-gambling severity on cue-reactive urge (from neutral cue to gambling cue). This is the first study to demonstrate a negative association between trait mindfulness and cue-reactive urge to gamble in a population of poker-machine gamblers. Thus, this association merits further evaluation both in relation to poker-machine gambling and other gambling modalities.
- PublicationThe utility of the health belief model variables in predicting help-seeking intention for depressive symptoms
Objective:Depressive disorders are prevalent and associated with significant burden. Although effective treatments exist, many individuals do not seek help. The current study aims to examine the barriers to help-seeking for depressive symptoms in an Australian sample, and to examine the utility of Health Belief Model (HBM) factors in predicting the likelihood of future help-seeking in relation to depressive disorders.
Method:The study used a cross-sectional design. One hundred and eighty Australians aged over 18 completed the current study (Mage = 35.85; SD = 13.43; 76.1% female).
Results:The most influential treatment barriers in this sample related to direct costs, indirect costs, and a belief that treatment from a psychologist was not needed. Regression analysis indicated that 49% of the variance in intention to seek help from a psychologist was associated with HBM variables. Level of perceived treatment benefit was the strongest predictor of help-seeking intention.
Conclusion:In order to increase help-seeking for depressive disorders, public health campaigns must enhance perceptions about the benefits of psychological treatment and government policy and/or treatment providers must work to reduce the direct and indirect costs of psychological treatments within Australia.
- PublicationCue-Reactive Imagery Mediates the Relationships of Reward Responsiveness with Both Cue-Reactive Urge to Gamble and Positive Affect in Poker-Machine Gamblers
Previous research has demonstrated that gambling cues (e.g., flashing lights on poker-machines) can trigger an urge to gamble in poker-machine gamblers. However, the psychological mechanisms that promote the urge to gamble remain poorly understood. The present study explored whether reward responsiveness predicted urge to gamble and positive affect, and whether cue-reactive rationality, volitional control and imagery mediated these relationships. Ninety-three (45% male and 55% female) Australian regular poker-machine gamblers aged between 18 and 77 participated in an online cue-reactivity experiment. Participants initially completed the Problem Gambling Severity Index and Reward Responsiveness scale. Subsequently, at three time points (i.e., baseline, directly after a neutral cue and directly after a gambling cue) participants completed the rationality, volitional control and imagery subscales of the Phenomenology of Consciousness Inventory and two visual analogue scales that measured urge to gamble and positive affect. Analyses indicated that gambling cues triggered statistically significant increases in both urge to gamble and positive affect and these variables were statistically significantly positively correlated with reward responsiveness. Furthermore, only cue-reactive imagery mediated the relationships between reward responsiveness and the two outcome variables (i.e., cue-reactive urge to gamble and positive affect). These findings highlight the potential importance of targeting reward responsiveness and cue-reactive mental imagery in the context of exposure therapies for poker-machine problem gamblers.
- PublicationTrait mindfulness mediates the relationship between early maladaptive schema and interpersonal problems
Objective:This study investigated whether early maladaptive schemas (EMSs) are associated with interpersonal problems and whether this relationship is mediated by trait mindfulness.
Method:One hundred and seventeen participants (M = 34.66, SD = 17.14) were recruited and completed measures of EMSs (Young Schema Questionnaire, Short Form, Version 3; YSQ-SF-3), trait mindfulness (Kentucky Inventory of Mindfulness Skills; KIMS) and interpersonal problems (Inventory of Interpersonal Problems-32; IIP-32).
Results:The number of EMSs endorsed by an individual at a clinically significant level was negatively associated with trait mindfulness and positively associated with interpersonal problems. Trait mindfulness was negatively associated with interpersonal problems. Only the describing and accepting without judgement facets of trait mindfulness were found to mediate the relationship between EMS endorsement and interpersonal problems.
Conclusions:The relationship between EMSs and interpersonal problems may partially operate through some facets of trait mindfulness. Implications for future research and clinical practice are discussed.