A Bayesian analysis of directional data using the projected normal distribution

This paper presents a Bayesian analysis of the projected normal distribution, which is a flexible and useful distribution for the analysis of directional data. We obtain samples from the posterior distribution using the Gibbs sampler after the introduction of suitably chosen latent variables. The procedure is illustrated using simulated data as well as a real data set previously analysed in the literature.     

Programa shortstop: a culturally focused juvenile intervention for Hispanic youth

Culturally sensitive juvenile delinquency and substance abuse interventions are relatively limited and unavailable to many first-time Hispanic juvenile offenders. The purpose of this study was to test the effectiveness of a culturally focused juvenile and substance abuse intervention program for first time Hispanic youth offenders. The intent of the program was to decrease juvenile recidivism and increase substance abuse resistance. Programa Shortstop is a family based intervention designed for Hispanic youth ages 9-17. The intervention was delivered to 352 youth and at least one parent/caregiver over the 5-year study period. For intervention youth, the results of the recidivism study (n = 321) indicated that 89% of youth participating in Programa Shortstop between 1995 to 1997 were not rearrested within one year of completing Programa Shortstop. Additionally, statistical paired t-test analysis found that the intervention model had a positive effect on legal knowledge and school related factors associated with substance abuse and delinquency. Parent participants demonstrated significant increases in knowledge related to substance abuse and the legal system.     

Temporal disaggregation and restricted forecasting of multiple population time series

This article presents some applications of time-series procedures to solve two typical problems that arise when analyzing demographic information in developing countries: (1) unavailability of annual time series of population growth rates (PGRs) and their corresponding population time series and (2) inappropriately defined population growth goals in official population programs. These problems are considered as situations that require combining information of population time series. Firstly, we suggest the use of temporal disaggregation techniques to combine census data with vital statistics information in order to estimate annual PGRs. Secondly, we apply multiple restricted forecasting to combine the official targets on future PGRs with the disaggregated series. Then, we propose a mechanism to evaluate the compatibility of the demographic goals with the annual data. We apply the aforementioned procedures to data of the Mexico City Metropolitan Zone divided by concentric rings and conclude that the targets established in the official program are not feasible. Hence, we derive future PGRs that are both in line with the official targets and with the historical demographic behavior. We conclude that growth population programs should be based on this kind of analysis to be supported empirically. So, through specialized multivariate time-series techniques, we propose to obtain first an optimal estimate of a disaggregate vector of population time series and then, produce restricted forecasts in agreement with some data-based population policies here derived.     

Income distribution,economic growth and European integration

In this paper I discuss recent theories on the relationship between growth and inequality, and ask whether the two move together or not. Output growth can be due to increases in physical capital, human capital, employment or the level of technology, and I argue that each of these represents a mechanism that relates our two variables of interest. The European integration process has represented a major policy change that has affected not only the opportunities for growth but also the constraints faced by national governments. We can then ask whether such integration has had an effect on inequality, and to what extent it has resulted in a conflict between productive efficiency and distributive considerations.     

Information and communication technologies and migrant intimacies: the case of Punjabi youth in Manila

This article examines how South–South migrants use information and communication technologies (ICTs) in negotiating their encounters with traditional cultural imaginaries of intimacy. It focuses on second-generation Punjabi Indian youth in the Philippine capital of Manila. Through an ethnographic approach, it unpacks how these migrants harness technologies to steer through two particular ideals about the end-goal of intimate relationships: the Punjabi notion of arranged marriage and the Filipino notion of love marriage. I characterise how the young Punjabis use ICTs to enact what I call a ‘temporarily resolution’ to their migrant double consciousness about intimacy. I also describe how this temporary resolution continues to be entwined with the wider dynamics of multicultural relations in the Philippines. Ultimately, I aim to better understand the role of ICTs in migrant intimacies, especially within the realities of multiculturalism in a postcolonial city in the Global South.     

First Order Dominance Techniques and Multidimensional Poverty Indices: An Empirical Comparison of Different Approaches

In this empirically driven paper we compare the performance of two techniques in the literature of poverty measurement with ordinal data: multidimensional poverty indices and first order dominance techniques (FOD). Combining multiple scenario simulated data with observed data from 48 Demographic and Health Surveys around the developing world, our empirical findings suggest that the FOD approach can be implemented as a useful robustness check for ordinal poverty indices like the multidimensional poverty index (MPI; the United Nations Development Program’s flagship poverty indicator) to distinguish between those country comparisons that are sensitive to alternative specifications of basic measurement assumptions and those which are not. To the extent that the FOD approach is able to uncover the socio-economic gradient that exists between countries, it can be proposed as a viable complement to the MPI with the advantage of not having to rely on many of the normatively binding assumptions that underpin the construction of the index.     

Cognitive Deficits in Executive Functions and Decision-Making Impairments Cluster Gambling Disorder Sub-types

To identify Gambling Disorder (GD) subtypes, in a population of men seeking treatment for GD, according to specific executive function domains (i.e., cognitive flexibility, inhibition and working memory as well as decision making) which are usually impaired in addictive behaviors. A total of 145 males ranging from 18 to 65 years diagnosed with GD were included in this study. All participants completed: (a) a set of questionnaires to assess psychopathological symptoms, personality and impulsivity traits, and (b) a battery of neuropsychological measures to test different executive functioning domains. Two clusters were identified based on the individual performance on the neuropsychological assessment. Cluster 1 [n = 106; labeled as Low Impaired Executive Function (LIEF)] was composed by patients with poor results in the neuropsychological assessment; cluster 2 patients [n = 46; labeled as High Impaired Executive Function (HIEF)] presented significantly higher deficits on the assessed domains and performed worse than the ones of LIEF cluster. Regarding the characterization of these two clusters, patients in cluster 2 were significantly older, unemployed and registered higher mean age of GD onset than patients in cluster 1. Additionally, patients in cluster 2 also obtained higher psychopathological symptoms, impulsivity (in both positive and negative urgency as well as sensation seeking) and some specific personality traits (higher harm avoidance as well as lower self-directedness and cooperativeness) than patients in cluster 1. The results of this study describe two different GD subtypes based on different cognitive domains (i.e., executive function performance). These two GD subtypes display different impulsivity and personality traits as well as clinical symptoms. The results provide new insight into the etiology and characterization of GD and have the potential to help improving current treatments.     

Challenges and opportunities to eLearning in social work education: perspectives from Spain and the United States

ABSTRACT

eLearning has become an academic tool used to provide access to education for multiple segments of the population, which otherwise would have little to no access to it. While other academic disciplines integrated it into their curricula early in the digital revolution, in many countries, social work education is just beginning to address the opportunities and challenges web-based learning may bring to these programmes [Blackmon, 2013. Social work and online education with all deliberate speed. Journal of Evidence-Based Social Work, 10(5), 509–521. doi:10.1080/15433714.2012.663672; Phelan, 2015. The use of eLearning in social work education. Social Work, 60(3), 257–264. doi:10.1093/sw/swv010]. This international collaborative research study seeks to better understand the challenges and opportunities faced by social work educators teaching at universities who are already using some form of eLearning in the United States and in Spain. A quantitative, non-experimental research design was employed. Results show that there are similarities as well as differences in the ways the two subsamples perceive the challenges and opportunities of eLearning. Findings reveal that there are some significant differences between the way the two subsample respondents perceived challenges and opportunities to eLearning. Recommendations for online social work educators and administrators are provided regarding overcoming challenges and capitalizing on opportunities applicable to the US, Spain, and the larger European and global contexts. Recommendations for further research and practice are also included.     

Exploring the Relationship between Reward and Punishment Sensitivity and Gambling Disorder in a Clinical Sample: A Path Modeling Analysis

Most individuals will gamble during their lifetime, yet only a select few will develop gambling disorder. Gray’s Reinforcement Sensitivity Theory holds promise for providing insight into gambling disorder etiology and symptomatology as it ascertains that neurobiological differences in reward and punishment sensitivity play a crucial role in determining an individual’s affect and motives. The aim of the study was to assess a mediational pathway, which included patients’ sex, personality traits, reward and punishment sensitivity, and gambling-severity variables. The Sensitivity to Punishment and Sensitivity to Reward Questionnaire, the South Oaks Gambling Screen, the Symptom Checklist-Revised, and the Temperament and Character Inventory-Revised were administered to a sample of gambling disorder outpatients (N = 831), diagnosed according to DSM-5 criteria, attending a specialized outpatient unit. Sociodemographic variables were also recorded. A structural equation model found that both reward and punishment sensitivity were positively and directly associated with increased gambling severity, sociodemographic variables, and certain personality traits while also revealing a complex mediational role for these dimensions. To this end, our findings suggest that the Sensitivity to Punishment and Sensitivity to Reward Questionnaire could be a useful tool for gaining a better understanding of different gambling disorder phenotypes and developing tailored interventions.     

Examining Discrimination,Ethnic‐Racial Identity Status,and Youth Public Regard Among Black,Latino, and White Adolescents

How positively adolescents believe others feel about their ethnic‐racial group (i.e., public regard) is an important part of their ethnic‐racial identity (ERI), which is likely informed by contextual and individual factors. Using cluster analyses to generate ERI statuses among Black, Latino, and White adolescents (n = 1,378), we found that associations between peer versus adult discrimination and public regard varied across ERI status and ethnic‐racial group. However, among all adolescents, an achieved ERI (i.e., having explored ethnicity‐race and having a clear sense about its personal meaning) buffered the negative association between adult discrimination and public regard, but not between peer discrimination and public regard. Implications for understanding the interplay between contextual and individual factors for public regard are discussed.