An Empirical Investigation of Theoretical Loss and Gambling Intensity

Many recent studies of internet gambling—particularly those that have analysed behavioural tracking data—have used variables such ‘bet size’ and ‘number of games played’ as proxy measures for ‘gambling intensity’. In this paper it is argued that the most stable and reliable measure for ‘gambling intensity’ is the ‘theoretical loss’ (a product of total bet size and house advantage). In the long run, the theoretical loss corresponds with the Gross Gaming Revenue generated by commercial gaming operators. For shorter periods of time, theoretical loss is the most stable measure of gambling intensity as it is not distorted by gamblers’ occasional wins. Even for single bets, the theoretical loss reflects the amount a player is willing to risk. Using behavioural tracking data of 100,000 players who played online casino, lottery and/or poker games, this paper also demonstrates that bet size does not equate to or explain theoretical loss as it does not take into account the house advantage. This lack of accuracy is shown to be even more pronounced for gamblers who play a variety of games.     

The South Oaks Gambling Screen-revised Adolescent (SOGS-RA) Revisited: A Cut-point Analysis

The lack of a criterion validity gold standard defining adolescent pathological gambling represents a major limitation of the adolescent gambling literature. The present study employed Receiver Operating Characteristic curve analysis (ROC) to examine the performance of the South Oaks Gambling Screen-Revised Adolescent (SOGS-RA) recommended cut-point of 4 against two-proxy gold standards: self-identified need for, or receipt of, help for gambling. Logistic regression analysis examined the correlates of self-identified need for help with gambling. The sample was comprised of 12990 adolescents from Atlantic Canada whose average age was 15 years and 50% of whom were male. The SOGS-RA performed as well or better with these proxy gold standards than with proxies used in previous studies. We concluded that the proxy gold standards based on self-identified need for or receipt of help represent a pragmatic solution to the lack of an adolescent-specific definition of problem or pathological gambling. Students in grade seven and SOGS-RA scores of 4 or greater were independent predictors of self-identifying a need for help.     

Old and novel methods for estimating Feral Pigeons (Columba livia f. domestica) population size: a reply to Amoruso et al. (2013)

In a recent paper Amoruso et al. (2013) proposed a novel method for estimating population size of Feral Pigeons, the Superimposed Urban Strata (SUS) method. In our reply we firstly comment on the lack of a complete review of the available literature. Secondly we point out that the SUS method does not account for birds detection probability and thus it is just a simple index of abundance as many others proposed in recent years. Thirdly, we question the approach used by the authors to evaluate the reliability of their method. To conclude, we believe that the SUS method is not truly innovative and that further investigations are needed before considering it as a reliable way for estimating Feral Pigeons populations size.     

A Promising Step for Improving Career Service Delivery: Comment on Sampson et al. (2000)

J. P. Sampson, G. W. Peterson, R. C. Reardon, and J. G. Lenz (2000) present in clear, concise terms a short tour of the cognitive information‐processing (CIP) framework that is useful for stimulating practitioners to improve career services. These authors strike an appropriate tone of optimism and caution that matches the article author's own experience as a practitioner and a teacher of the CIP framework. The author's optimism is fueled by fresh insights suggested by the CIP framework and an eagerness to try them out. He expresses caution regarding the need for affirming evidence.     

Human Behavior and Biodiversity Loss: A Theoretical Analysis

Diversity of genes, species, and ecosystems altogether constitute biodiversity. Biodiversity is essential for our survival. Anthropogenic biodiversity loss is due to reasons such as unsustainable production and consumption, human population growth, and poverty. Despite various efforts undertaken for conserving biodiversity, nothing significant has been achieved. This study focuses on human behavior for biodiversity loss. The goal of human life is genetic survival through reproduction. The driving force for reproductive success can be explained through natural selection. From an evolutionary perspective, resources acquire intrinsic utility when they enhance the inclusive fitness, called reproductive success. Human behavioral change is required for conserving biodiversity.     

Validation of the Short Gambling Harm Screen (SGHS): A Tool for Assessment of Harms from Gambling

It is common for jurisdictions tasked with minimising gambling-related harm to conduct problem gambling prevalence studies for the purpose of monitoring the impact of gambling on the community. However, given that both public health theory and empirical findings suggest that harms can occur without individuals satisfying clinical criteria of addiction, there is a recognized conceptual disconnect between the prevalence of clinical problem gamblers, and aggregate harm to the community. Starting with an initial item pool of 72 specific harms caused by problematic gambling, our aim was to develop a short gambling harms scale (SGHS) to screen for the presence and degree of harm caused by gambling. An Internet panel of 1524 individuals who had gambled in the last year completed a 72-item checklist, along with the Personal Wellbeing Index, the PGSI, and other measures. We selected 10 items for the SGHS, with the goals of maximising sensitivity and construct coverage. Psychometric analysis suggests very strong reliability, homogeneity and unidimensionality. Non-zero responses on the SGHS were associated with a large decrease in personal wellbeing, with wellbeing decreasing linearly with the number of harms indicated. We conclude that weighted SGHS scores can be aggregated at the population level to yield a sensitive and valid measure of gambling harm.     

The Public Stigma of Problem Gambling: Its Nature and Relative Intensity Compared to Other Health Conditions

Problem gambling attracts considerable public stigma, with deleterious effects on mental health and use of healthcare services amongst those affected. However, no research has examined the extent of stigma towards problem gambling within the general population. This study aimed to examine the stigma-related dimensions of problem gambling as perceived by the general public compared to other health conditions, and determine whether the publicly perceived dimensions of problem gambling predict its stigmatisation. A sample of 2000 Australian adults was surveyed, weighted to be representative of the state population by gender, age and location. Based on vignettes, the online survey measured perceived origin, peril, concealability, course and disruptiveness of problem gambling and four other health conditions, and desired social distance from each. Problem gambling was perceived as caused mainly by stressful life circumstances, and highly disruptive, recoverable and noticeable, but not particularly perilous. Respondents stigmatised problem gambling more than sub-clinical distress and recreational gambling, but less than alcohol use disorder and schizophrenia. Predictors of stronger stigma towards problem gambling were perceptions it is caused by bad character, is perilous, non-recoverable, disruptive and noticeable, but not due to stressful life circumstances, genetic/inherited problem, or chemical imbalance in the brain. This new foundational knowledge can advance understanding and reduction of problem gambling stigma through countering inaccurate perceptions that problem gambling is caused by bad character, that people with gambling problems are likely to be violent to other people, and that people cannot recover from problem gambling.     

A response to paper "systems thinking" by D. Cabrera et al.: additional thoughts on systems thinking

The paper by Cabrera, Colosi, and Lobdell presents a valuable explanation of ST and its relationship to evaluation. Given the complexity of the processes addressed by evaluators, it seems evident that ST is a valuable perspective and tool for evaluators as it facilitates the perception, analysis, and communication of complex issues and topics. It is my interpretation that the practice of evaluation may be becoming increasingly oriented to the future. I want to thank the authors for sharing their insights regarding ST and evaluation. I hope newcomers to ST find my comments useful.     

Dennis R. Young et al.: Economics for Nonprofit Managers and Social Entrepreneurs

VOLUNTAS: International Journal of Voluntary and Nonprofit Organizations -     

Pathological Gambling, Problem Gambling and Sleep Complaints: An Analysis of the National Comorbidity Survey: Replication (NCS-R)

The purpose of this study is to investigate the relationship between sleep disturbances and gambling behavior. Data from the National Comorbidity Survey—Replication (NCS-R) was used to examine the relationship between three specific sleep complaints (difficulty initiating sleep [DIS], difficulty maintaining sleep [DMS], and early morning awakening [EMA]) and gambling behavior. Bivariate logistic regression models were used to control for potentially confounding psychiatric disorders and age. Almost half of respondents with problem gambling behavior (45.9%) and two thirds (67.7%) of respondents with pathological gambling behavior reported at least one sleep compliant. Compared to respondents with no gambling pathology, respondents with pathological gambling were significantly more likely to report at least one sleep complaint (Adjusted Odds Ratio [AOR] = 3.444, 95% CI = 1.538–7.713), to report all sleep complaints (AOR = 3.449, 95% CI = 1.503–7.914), and to report any individual complaint (DIS: OR = 2.300, 95% CI = 1.069–4.946; DMS: AOR = 4.604, 95% CI = 2.093–10.129; EMA: AOR = 3.968, 95% CI = 1.856–8.481). The relationship between problem gambling and sleep complaints were more modest (any sleep complaint: AOR = 1.794, 95% CI = 1.142–2.818; all three sleep complaints: AOR = 2.144, 95% CI = 1.169–3.931; DIS: AOR = 1.961, 95% CI = 1.204–3.194; DMS: AOR = 1.551, 95% CI = 0.951–2.529; EMA: AOR = 1.796, 95% CI = 1.099–2.935). Given the individual and societal ramifications linked with the presence of sleep problems, this study presents another health-related repercussion associated with gambling pathology rarely discussed in the literature.