Pathological Gambling: Influence of Quality of Life and Psychological Distress on Abstinence After Cognitive-Behavioral Inpatient Treatment

The aim of this study is to understand the influence of psychological distress and quality of life on the maintenance of therapy success during a 1 year follow-up in pathological gamblers after inpatient cognitive-behavioral treatment. In a sample of 281 pathological gamblers (247 men, 34 women) the following measures were taken: psychological distress (beginning and end of treatment, and follow up), quality of life and abstinence from gambling. The results showed that relapsed pathological gamblers suffer of higher psychological distress at discharge and of lower quality of life during follow-up than abstinent gamblers. In a mediator analysis the causal relations between the three variables could be clarified: psychological distress has an impact on abstinence during follow-up, and quality of life can be considered a mediator variable for the relation between psychological distress and abstinence from pathological gambling.     

Income Inequality across Micro and Meso Geographic Scales in the Midwestern United States, 1979–20091

This article examines the spatial distribution of income inequality and the socioeconomic factors affecting it using spatial analysis techniques across 16,285 block groups, 5,050 tracts, and 618 counties in the western part of the North Central Region of the United States. Different geographic aggregations result in different inequality outcomes, suggesting spatial scale needs to be carefully considered in inequality research. Inequality is spatially clustered in suburban areas of larger metro areas and around Native American reservations in the Dakotas. Higher inequality is associated with better socioeconomic conditions, counter to the social inequality literature but consistent with the inequality growth literature. However, growing inequality is associated with worse socioeconomic outcomes. Results partially support the polarization thesis that declines in industrial sectors and growth in services has caused incomes to diverge. Higher and growing inequality is associated with both low‐skill and high‐skill services jobs. However, employment in agricultural and industrial sectors experiencing large losses over the past three decades is also linked to higher and growing inequality. This suggests a dual process where many former agricultural and industrial workers are now employed in other sectors at lower wages, while the remaining workers in these sectors earn higher and growing wages.     

An evaluation paradox in social work? An empirical study of evaluation use in connection with temporary programmes in Swedish social work

This article contributes to the debate on evaluation use by analysing temporary national programmes in Swedish social work. Previous empirical research shows a gloomy picture of evaluation use, thus supporting an evaluation paradox: evaluations are not used for learning and development, but are continually prioritised. The aim of this article is to study, through interviews and document analysis, how evaluations of temporary programmes in social work are designed and used. The results support the paradox and we found that it has two dimensions. First, evaluations are prioritised, but they function as a ritual, characterised by routine and unclear intentions, with limited relevance for professional learning and improvement. The second dimension is about limited use by those commissioning the evaluations, but the evaluators are using data for new purposes and in new contexts. This is, at best, a form of conceptual use, hopefully contributing indirectly to social work practice. The article ends in a discussion on how evaluations could be designed for learning and improvement by focusing on three normative models: utilisation-focused evaluation, responsive evaluation and evidence-based practice approach (EBP).     

The ecology of immigrant naturalisation: a life course approach in the context of institutional conditions

Traditionally, immigrants’ propensity to naturalize is attributed to individual characteristics and the origin country. Recently scholars increasingly recognise that naturalisation decisions do not take place in a vacuum: they are conditioned both by the individual life course of immigrants, such as the age at migration and family situation, as well as the opportunity structure set by citizenship policies of the destination country. Yet it is less clear what impact specific policy changes have, and to whom these changes matter most. In this paper we address these questions by analysing citizenship acquisition among first generation immigrants in the Netherlands in light of a restriction in citizenship policy in 2003. We employ unique micro-level longitudinal data from Dutch municipal population registers between 1995 until 2012, which allow us to track naturalisation among different immigration cohorts. We find evidence that indeed naturalisation is part of a larger life course trajectory: immigrants who arrive at a younger age in the Netherlands naturalise more often and so do immigrants with a native partner, or a foreign-born partner who also naturalises. Policy also matters: migrants naturalise later and less often under more restrictive institutional conditions, especially migrants from less developed and politically unstable countries of origin.     

Dying for charisma: Leaders' inspirational appeal increases post-mortem

In the present research, we shed light on the nature and origins of charisma by examining changes in a person's perceived charisma that follow their death. We propose that death is an event that will strengthen the connection between the leader and the group they belong to, which in turn will increase perceptions of leaders' charisma. In Study 1, results from an experimental study show that a scientist who is believed to be dead is regarded as more charismatic than the same scientist believed to be alive. Moreover, this effect was accounted for by people's perceptions that the dead scientist's fate is more strongly connected with the fate of the groups that they represent. In Study 2, a large-scale archival analysis of Heads of States who died in office in the 21st century shows that the proportion of published news items about Heads of State that include references to charisma increases significantly after their death. These results suggest that charisma is, at least in part, a social inference that increases after death. Moreover, they suggest that social influence and inspiration can be understood as products of people's capacity to embody valued social groups.     

‘Let's share!’ The mediating role of employees' self-determination in the relationship between transformational and shared leadership and perceived knowledge sharing among peers

Building on social-exchange and self-determination theory, this study aimed to contribute to the scholarly literature on leadership and knowledge sharing by simultaneously testing how shared and transformational leadership and their interrelatedness may foster employees' perceptions of knowledge sharing behaviour among peers. Additionally, we investigated the mediating role of employees' basic psychological needs satisfaction (in terms of autonomy, competence and relatedness, respectively) as an additional explanatory mechanism to reveal how shared and transformational leadership may foster individuals' perceptions of knowledge sharing behaviour among peers. We employed PLS structural equation modelling to analyse survey data obtained from professionals in an R&D unit of a knowledge-intensive firm. We found shared leadership to be the most important factor enhancing employees' perceptions of knowledge sharing among peers, both directly and indirectly through employees' satisfaction of the need for autonomy. Transformational leadership was found to foster employees' knowledge sharing ultimately, through shared leadership and the need for autonomy satisfaction. We concluded that shared forms of leadership supplemented with transformational leadership on the part of formal leaders are important in contemporary work environments as they can foster employees' perceptions of knowledge sharing among peers and contribute towards employees' self-determination, which ultimately enhances perceptions of knowledge sharing among peers.     

Multivariate rank tests for the two-sample location problem

A multivariate affinc-invariant family of rank tests is proposed for the two sample location problem. The class of statistics introduced is built upon Randles' multivariate one-sample sign statistic based on interdirections and the multivariate one-sample signed-rank statistic of Peters and Randles. Asymptotic relative efficiencies are obtained which indicate that selected members of the class perform very well for a broad class of distributions. Further comparisons are made among several statistics using Monte Carlo results.     

Bootstrapping an Econometric Model: Some Empirical Results

The bootstrap, like the jackknife, is a technique for estimating standard errors. The idea is to use Monte Carlo simulation, based on a nonparametric estimate of the underlying error distribution. The bootstrap will be applied to an econometric model describing the demand for capital, labor, energy, and materials. The model is fitted by three-stage least squares. In sharp contrast with previous results, the coefficient estimates and the estimated standard errors perform very well. However, the model's forecasts show serious bias and large random errors, significantly understated by the conventional standard error of forecast.