Replacement of semi-natural cover with artificial substrates in urban parks causes a decline of house sparrows Passer domesticus in Mediterranean towns

Urban Ecosystems - Many European towns and cities have undergone reurbanisation processes in recent decades. However, their effects on urban biodiversity have been poorly studied. Currently...     

Chilean Adaptation and Validation of the Fisher Divorce Adjustment Scale–Short Form

The aim of this study was to determine the psychometric properties of a short version of the Fisher Divorce Adjustment Scale (FDAS–SF; Fisher, 1978) in the Chilean context. Participants were 260 individuals who were divorced or separated. The FDAS–SF included 22 of the original 100 items, and its factorial structure was evaluated using exploratory and confirmatory factor analysis. Instead of the 6 original subscales proposed by its author, the structure that showed the best fit to the data was composed of 5 subscales: self-worth, disentanglement from the ex-partner, anger, grief, and social trust. The social self-worth subscale was excluded. Reliability analyses revealed good internal consistency of the subscales and adequate convergent validity with depression, anxiety, stress, and life satisfaction. Given the psychometric properties of this short version, it can be concluded that the FDAS–SF can be used in the Chilean context to evaluate the adjustment to divorce and separation.     

A new count model generated from mixed Poisson transmuted exponential family with an application to health care data

In this article, a new mixed Poisson distribution is introduced. This new distribution is obtained by utilizing mixing process, with Poisson distribution as mixed distribution and Transmuted Exponential as mixing distribution. Distributional properties like unimodality, moments, over-dispersion, infinite divisibility are studied. Three methods viz. Method of moment, Method of moment and proportion, and Maximum-likelihood method are used for parameter estimation. Further, an actuarial application in context of aggregate claim distribution is presented. Finally, to show the applicability and superiority of proposed model, we discuss count data and count regression modeling and compare with some well established models.     

Conflicts in Family Relations,Children's Emotions and Agency

What kind of conflicts and tensions do children experience with other children and adults in the family? Content analysis of 32 thematic interviews with 10‐ to 13‐year‐old children revealed that while conflicts often concern daily actions, tasks and routines, they also relate to decision‐making and fair treatment or to matters threatening the child's sense of emotional security. Parental conflicts and conflicts in child–parent relationships often arouse negative emotions that lead children to suppress their agency. However, conflicts, particularly those between siblings, may also open up possibilities for negotiation and agency.     

Reference points for getting a target in a soccer competition. A probabilistic model with applications to the Spanish and English Premier League

We model the probabilities that a soccer team gets a target, for example, to play the Champions League, the UEFA Europa League or preserve the category. Taking into account the points won until de mth matchday of the competition, when the winter transfer window is closed. We give closed-form expressions for the probabilities of reaching the goals. We also introduce a risk measure which is going to give us the smallest initial points needed to ensure that the probability of getting the target is larger than a given level.     

Management innovation,pro-innovation organisational culture and enterprise performance: testing the mediation effect

The interest in management innovation (MI) is growing and the conviction about its significant role in boosting an enterprise’s competitive advantage and performance has recently gained ground. The studies on MI and its relationships with enterprise performance, which are relatively scarce in literature, indicate the complexity of these relationships. This inspired us to propose the management innovation construct and its operationalisation, which allowed for the empirical verification of the relationships between management innovation and enterprise performance. Simultaneously, we adopted the hypothesis on the mediating role of pro-innovation organisational culture. The aim of this article, therefore, is to study the relationships between MI and enterprise performance as well as to determine what role is played by pro-innovation organisational culture in these relationships. In order to do that, we conducted a survey of 301 companies based in Poland. Our research results confirmed the existence of relationships between management innovation and enterprise performance in the survey sample, although they were not very strong. Additionally, the hypothesis about the mediating role of organisational culture was also partially supported. The results of our study enrich the knowledge about the role of MI in stimulating enterprise performance and the role of pro-innovation organisational culture. We also discuss the implications for further research and management practice.     

Estimating Listeria monocytogenes Growth in Ready-to-Eat Chicken Salad Using a Challenge Test for Quantitative Microbial Risk Assessment

Currently, there is a growing preference for convenience food products, such as ready-to-eat (RTE) foods, associated with long refrigerated shelf-lives, not requiring a heat treatment prior to consumption. Because Listeria monocytogenes is able to grow at refrigeration temperatures, inconsistent temperatures during production, distribution, and at consumer's household may allow for the pathogen to thrive, reaching unsafe limits. L. monocytogenes is the causative agent of listeriosis, a rare but severe human illness, with high fatality rates, transmitted almost exclusively by food consumption. With the aim of assessing the quantitative microbial risk of L. monocytogenes in RTE chicken salads, a challenge test was performed. Salads were inoculated with a three-strain mixture of cold-adapted L. monocytogenes and stored at 4, 12, and 16 °C for eight days. Results revealed that the salad was able to support L. monocytogenes’ growth, even at refrigeration temperatures. The Baranyi primary model was fitted to microbiological data to estimate the pathogen's growth kinetic parameters. Temperature effect on the maximum specific growth rate (μ_max) was modeled using a square-root-type model. Storage temperature significantly influenced μ_max of L. monocytogenes (p < 0.05). These predicted growth models for L. monocytogenes were subsequently used to develop a quantitative microbial risk assessment, estimating a median number of 0.00008726 listeriosis cases per year linked to the consumption of these RTE salads. Sensitivity analysis considering different time–temperature scenarios indicated a very low median risk per portion (<−7 log), even if the assessed RTE chicken salad was kept in abuse storage conditions.     

Labour incorporation of young Southern European graduates in Mexico: the impact of the economic crisis

ABSTRACT

The 2008 economic crisis has had particularly negative effects on the youth labour market outcomes in Southern Europe. Thus, it is hardly surprising that many Southern European youngsters see migration as the only way to escape from under-employment and precariousness. In this context, the article studies the reasons for emigration to Mexico of a group of young graduates from Italy and Spain. The paper is based on 42 in-depth semi-structured interviews with young graduates, aged 29 years old or less on their arrival in Mexico. The article first explores the relevance of the economic crisis as the main reason behind the migration of this group. It is revealed that the interviewed graduates had a precarious labour incorporation back in their countries of origin, and migration appeared as a means to further their careers. Second, the paper analyses the interviewees’ labour incorporation in Mexico; in many cases this coincides with an extended university-work transition, since many of them had not secured full-time permanent jobs before their arrival in Mexico. Finally, the paper explores the interviewees’ future plans. These depend not only on their work experiences in Mexico but also on their degree of social and cultural integration in the host country.     

‘James always hangs out here’: making space for place in studying masculinities at school

All learning is emplaced. It happens somewhere and it involves material things. It is located and situated. This paper focuses on spaces and places outside of the classroom where lessons about ‘self’ and ‘other’ are learnt. Drawing on recent research (‘Space, place and the making of masculinities in primary schools in Ireland’, O Donoghue, Journal of Curriculum and Pedagogy, 2006, volume 3), the paper analyses the stories/narratives of a group of ten and eleven year old boys, stories that tell of how they learn to speak, act and perform masculinities in school spaces and places. These performances, ‘naturalized’ through repetition and regulation, happen in spaces that exert significant effects on boys by opening up/closing off certain behavioural possibilities. The paper makes visible processes of doing and re/presenting research into masculinities and schooling in, with and through art. It argues that a research approach drawing on theories and processes of contemporary art practice offers much for conceptualizing, doing and representing research and provides opportunities that other research methods close off.     

Media competition and information disclosure

This paper analyzes an election game where self-interested politicians can exploit the lack of information that citizens have about candidates’ preferred policies in order to pursue their own agendas. In such a setup, we analyze the incentives of newspapers to acquire costly information and that of politicians to make informative speeches, as well as how competition among the media affects such incentives. We show that the higher the number of potential readers and/or the lower the cost of investigating, the more the candidates tend to reveal their motives. We also show that the readers’ purchasing habits play a crucial role in the model. More specifically, we show that if readers always buy a newspaper, media competition favors information disclosure; whereas if they are opportunistic and just buy a newspaper in case news are uncovered, competition is not so desirable. An erratum to this article can be found at