Self-Directed Gambling Changes: Trajectory of Problem Gambling Severity in Absence of Treatment

Most problem gamblers do not seek formal treatment, recovering on their own through cognitive re-appraisal or self-help strategies. Although barriers to treatment have been extensively studied, there is a paucity of research on self-directed changes in problem gambling and very few studies have examined these changes prospectively. The aim of this study was to examine the trajectory of gambling severity and behavior change over an 18-month period, among a sample of non-treatment seeking/attending problem gamblers recruited from the community (N?=?204) interested in quitting or reducing gambling. Separate mixed effects models revealed that in absence of formal treatment, significant reductions in gambling severity, frequency, and amount gambled could be observed over the course of a 6 to 9-month period and that changes experienced within the first 12 months were maintained for an extended 6 months. Problem gambling severity at baseline was significantly associated with changes in severity over time, such that participants with more severe gambling problems demonstrated greater reductions in their gambling severity over time. A total of 11.1% of participants gambled within a low-risk threshold at 18 months, although 28.7% of the sample reported consecutive gambling severity scores below problem levels for the duration of 1 year or longer. The findings suggest that among problem gamblers motivated to quit or reduce their gambling, significant self-directed changes in gambling severity can occur over a relatively short time. Additional prospective studies are needed to document the role of specific self-help tools or thought processes in exacting gambling changes.     

Work absence as a function of a national traumatic event: the case of Prime Minister Rabin's assassination

Most research on absenteeism has focused on the effects of individual and work-related factors, to the exclusion of the effects of societal and political events external to the individual and his/her specific work conditions. The purpose of this study was to investigate the relationship between the emotional reaction to the assassination of Prime Minister Rabin in Israel and work absenteeism during the period following the assassination. It was hypothesized that: (1) emotional reaction is positively related to absenteeism; (2) this relationship is stronger among female employees than among male employees; and (3) this relationship is stronger for individuals who are pessimistic about the future as opposed to those who are optimistic. These hypotheses were supported by data collected from a random sample of 199 working adults.     

Infants Use Statistical Sampling to Understand the Psychological World

Preverbal infants engage in statistical and probabilistic inference to learn about their linguistic and physical worlds. Do they also employ probabilistic information to understand their social world? Do they infer underlying causal mechanisms from statistical data? Here, we show, with looking‐time methods, that 10‐month‐olds attend to statistical information to understand their social–psychological world and plausibly infer underlying causal mechanisms from violations of physical probabilities.     

Gender Differences in Self-Conscious Emotions and Motivation to Quit Gambling

Considerable gender differences have been previously noted in the prevalence, etiology, and clinical features of problem gambling. While differences in affective states between men and women in particular, may explain differential experiences in the process of gambling, the role of affect in motivations for quitting gambling and recovery has not been thoroughly explored. The aim of this study was to examine gender differences within a sample of problem gamblers motivated to quit with or without formal treatment, and further, to explore the interactions between gender, shame and guilt-proneness, and autonomous versus controlled reasons for change. Motivation for change and self-conscious emotional traits were analyzed for 207 adult problem gamblers with an interest in quitting or reducing their gambling (96.6 % not receiving treatment). Overall, gender differences were not observed in clinical and demographic characteristics. However, women exhibited greater shame [F(1,204) = 12.11, p = 0.001] and guilt proneness [F(1,204) = 14.16, p < 0.001] compared to men, whereas men scored higher on trait detachment [F(1,204) = 7.08, p = 0.008]. Controlling for demographic and clinical characteristics, general linear models revealed that autonomous motivation for change was associated with higher guilt-proneness, greater problem gambling severity, and the preparation stage of change; whereas controlled forms of motivation were significantly associated with higher shame-proneness and greater problem gambling severity. No gender effects were observed for either motivation for change. These findings suggest that the process of change can be different for shame-prone and guilt-prone problem gamblers, which may impact behavioral outcomes.     

Betting on Life: Associations Between Significant Life Events and Gambling Trajectories Among Gamblers with the Intent to Quit

Considerable evidence has suggested that problem gambling may be transitory and episodic, with gamblers routinely moving in and out of clinical thresholds. Findings in qualitative and quantitative studies have converged on identifying preliminary evidence for the role of life events as motivators and contributing factors for gambling changes over time. The aim of this study was to conduct an exploratory analysis of the relationship between life events, their respective experience as positive or negative, and gambling trajectories among problem gamblers intending to quit. Life event occurrence and ratings as positive or negative, and changes in gambling severity were analyzed over a 12-month period for 204 adult problem gamblers intending to reduce or quit their gambling. Overall, mixed effects models revealed several relationships between life events and both the magnitude and direction of gambling change over time. In particular, gamblers who experienced a greater number of positive events or specific events such as legal events, the adoption/loss of a child, or negative changes to their social relationships, finances, work environments or social/health activities were more likely to exhibit greater gambling reductions over time. Conversely, gamblers who experienced a greater number of negative events, such as family bereavement, the dissolution of a marriage, or negative changes to their residence exhibited smaller gambling reductions or increases in gambling severity. Possible mechanisms which may explain the findings and the importance of examining the subjective experience of life events are discussed. Recommendations for future studies examining associations between life events and gambling trajectories are provided.     

On the Equivalence of Bayesian and Dominant Strategy Implementation

We consider a standard social choice environment with linear utilities and independent, one‐dimensional, private types. We prove that for any Bayesian incentive compatible mechanism there exists an equivalent dominant strategy incentive compatible mechanism that delivers the same interim expected utilities for all agents and the same ex ante expected social surplus. The short proof is based on an extension of an elegant result due to Gutmann, Kemperman, Reeds, and Shepp (1991). We also show that the equivalence between Bayesian and dominant strategy implementation generally breaks down when the main assumptions underlying the social choice model are relaxed or when the equivalence concept is strengthened to apply to interim expected allocations.     

Work absence as a function of a national traumatic event: The case of Prime Minister Rabin's assassination

Most research on absenteeism has focused on the effects of individual and work-related factors, to the exclusion of the effects of societal and political events external to the individual and his/her specific work conditions. The purpose of this study was to investigate the relationship between the emotional reaction to the assassination of Prime Minister Rabin in Israel and work absenteeism during the period following the assassination. It was hypothesized that: (1) emotional reaction is positively related to absenteeism; (2) this relationship is stronger among female employees than among male employees; and (3) this relationship is stronger for individuals who are pessimistic about the future as opposed to those who are optimistic. These hypotheses were supported by data collected from a random sample of 199 working adults.