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121.
Steven Van de Walle Zoe Scott 《Development policy review : the journal of the Overseas Development Institute》2011,29(1):5-21
Concerns about failed and fragile states have put state‐ and nation‐building firmly on the academic and policy agenda, but the crucial role of public services in this process has remained underexplored. The 1960s and ‘70s generated a substantial set of literature that is largely missing from current writing. It identified state penetration, standardisation and accommodation as key processes in the state‐ and nation‐building sequence. This article analyses these three processes in Western Europe in the seventeenth to nineteenth centuries, and the role of public services therein, to explore how they may help us to understand the success and failure of state‐ and nation‐building in developing countries and fragile states. 相似文献
122.
Izabela Marzec Dora Scholarios Esther Van der Schoot Piotr Jędrzejowicz Nikos Bozionelos 《Human Resource Development International》2013,16(5):471-492
This article examines current career thinking and employability management practices within the Polish Information and Communication Technology (ICT) sector. The aim of this contribution is to identify career management problems and to determine obstacles for implementing employability management practices at a company level. Semi-structured interviews aimed at establishing company needs were conducted with 18 managers of small and medium-sized ICT enterprises in Poland. These firms appear to apply various developmental approaches to stimulate competitive advantage. Faced with a more demanding environment, firms aim for versatility rather than adopting simplified solutions. Managing the careers and employability of ICT professionals is acknowledged as vitally important for the survival and development of ICT companies. 相似文献
123.
This article describes a Delphi‐based expert judgment study aimed at the selection of indicators to identify the occurrence of emerging mycotoxin hazards related to Fusarium spp. in wheat supply chains. A panel of 29 experts from 12 European countries followed a holistic approach to evaluate the most important indicators for different chain stages (growth, transport and storage, and processing) and their relative importance. After three e‐mailing rounds, the experts reached consensus on the most important indicators for each of the three stages: wheat growth, transport and storage, and processing. For wheat growth, these indicators include: relative humidity/rainfall, crop rotation, temperature, tillage practice, water activity of the kernels, and crop variety/cultivar. For the transport and storage stage, they include water activity in the kernels, relative humidity, ventilation, temperature, storage capacity, and logistics. For wheat processing, indicators include quality data, fraction of the cereal used, water activity in the kernels, quality management and traceability systems, and carryover of contamination. The indicators selected in this study can be used in an identification system for the occurrence of emerging mycotoxin hazards in wheat supply chains. Such a system can be used by risk managers within governmental (related) organizations and/or the food and feed industry in order to react proactively to the occurrence of these emerging mycotoxins. 相似文献
124.
Most travel behaviour studies that seek to promote cycling define market segments based on socio-demographics, travel mode use or attitudes. They do not address the stages of change process in travel behaviour, whereas this information can be instrumental in influencing travel behaviour change. This paper adopts the stages of change model to identify potential cycling market segments and to analyse and profile each of the market segments based on socio-economic factors, current travel behaviour, attitudes, perceptions and motivations. A survey was conducted among 620 individual regular commuters in the city of Dar-es-Salaam. On the basis of cycling behaviour attitudinal-variable statements, as developed from the stages of change model, the survey data were classified in six different segments: pre-contemplation, contemplation, prepared for action, action, maintenance and relapse. The study revealed that the different segments have different needs and are motivated by different factors suggesting that they need to be treated in different ways. These market segments can have important implications for designing cycling policies and promotional strategies that best serve the needs of each segment. The results indicate that urban policies and marketing strategies which aim to promote bicycle use may first target the contemplation, prepared for action and action segments that are most motivated to change and willing to cycle. 相似文献
125.
Seth Oscar Tromp Eelco Franz Hajo Rijgersberg Esther Van Asselt Ine Van Der Fels‐Klerx 《Risk analysis》2010,30(6):945-951
A stochastic model for setting performance objectives for Salmonella in the broiler supply chain was developed. The goal of this study was to develop a model by which performance objectives for Salmonella prevalence at various points in the production chain can be determined, based on a preset final performance objective at the end of the processing line. The transmission of Salmonella through the broiler production chain was modeled. The prevalence at flock level was calculated from the measured prevalence at sample level. The transmission model is based on data on the occurrence of Salmonella collected in the Dutch broiler production chain during several years. The developed model can be used by policymakers and industry to determine economically and politically acceptable performance objectives for various points of the production chain and to draw conclusions about which interventions are most appropriate. 相似文献
126.
Diagnostic checks for discrete data regression models using posterior predictive simulations 总被引:3,自引:0,他引:3
A. Gelman Y. Goegebeur F. Tuerlinckx & I. Van Mechelen 《Journal of the Royal Statistical Society. Series C, Applied statistics》2000,49(2):247-268
Model checking with discrete data regressions can be difficult because the usual methods such as residual plots have complicated reference distributions that depend on the parameters in the model. Posterior predictive checks have been proposed as a Bayesian way to average the results of goodness-of-fit tests in the presence of uncertainty in estimation of the parameters. We try this approach using a variety of discrepancy variables for generalized linear models fitted to a historical data set on behavioural learning. We then discuss the general applicability of our findings in the context of a recent applied example on which we have worked. We find that the following discrepancy variables work well, in the sense of being easy to interpret and sensitive to important model failures: structured displays of the entire data set, general discrepancy variables based on plots of binned or smoothed residuals versus predictors and specific discrepancy variables created on the basis of the particular concerns arising in an application. Plots of binned residuals are especially easy to use because their predictive distributions under the model are sufficiently simple that model checks can often be made implicitly. The following discrepancy variables did not work well: scatterplots of latent residuals defined from an underlying continuous model and quantile–quantile plots of these residuals. 相似文献
127.
Toon W. Taris Paul J. G. Schreurs Ingrid J. Van Iersel-Van Silfhout 《Work and stress》2001,15(4):283-296
This study examined the antecedents of job strain (emotional exhaustion, health complaints) and withdrawal behaviour (e.g. lowered organizational commitment) among a cross-sectional sample of 131 academic staff members of the law department of a large Dutch university. Conservation of resources theory (Hobfoll, 1989) provided the theoretical background for this study. Strains and withdrawal behaviours were expected to be most prominent among those who reported having few resources and/or who reported high job demands. Structural equation modelling revealed that this was indeed the case. As predicted, differential patterns of effects emerged for job demands and job resources. Analysis of the effects of four job-specific stressors revealed that especially the structural aspects of a staff member's teaching task (e.g. the number of students in their classes) contributed strongly to perceived job demands. Theoretical and practical implications of the study are discussed. 相似文献
128.
Josien Schneiders Nancy A. Nicolson Johannes Berkhof Frans J. Feron Marten W. DeVries Jim Van Os 《Journal of research on adolescence》2007,17(4):697-722
Disturbances in affect have been linked to problem behavior in adolescence and future psychopathology, but little is known about how such disturbances manifest themselves in everyday contexts. This study investigated daily mood in Dutch 7th graders, aged 11–14. Cluster analysis of problem measures distinguished high-risk (n=25) and low-risk (n=106) subgroups. Participants completed experience-sampling reports of mood, social context, and location nine times daily for 5 days. Multilevel regression analyses of four mood measures confirmed higher anxiety and depressed mood in the high-risk group. Moods varied by location and social context, with significant differences between groups in two specific social contexts. First, when with family, low-risk adolescents felt less depressed than when alone, whereas high-risk adolescents felt more depressed. Second, high-risk adolescents showed more pronounced anxiety in social situations outside the network of family and friends. These findings point to everyday social contexts in which young adolescents with emotional and behavioral problems appear to be particularly vulnerable. 相似文献
129.
This paper reports on empirical research into how press releases are being constructed. It starts from previous discourse-analytic work which has pointed to the 'preformulated' nature of press releases: in particular, it has been shown that through a number of metapragmatic features press releases can easily be copied by journalists in their own news reporting. In this paper we set out to subject one of these features, viz. pseudo-quotations (or so-called constructed direct speech), to a further empirical study, in which we scrutinize the process of constructing the press releases. We propose a detailed analysis of this process by combining ethnographic fieldwork with some of the methodology of cognitive psychology, including think-aloud protocols and on-line registration of the writing process. On the basis of this case study it is concluded that the design and functions of quotations in press releases are more complex than has been assumed so far. In addition, our preliminary results indicate that the combination of methods that we propose in this paper provides a sound starting point for both quantitative and qualitative analysis, allowing for a detailed analysis and interpretation of how press releases are being constructed. 相似文献
130.
Most studies of burnout have focused on lack of resources, prevalence of burnout, and negative outcomes. In contrast, this study examined the relationships among altruism, burnout and a positive outcome, namely, the engagement in organizational citizenship behaviour. Web questionnaires were distributed to employees in three professional organizations. The results from the 178 respondents indicated that altruism is related to organizational citizenship behaviour. Of the three dimensions of burnout, only reduced personal accomplishment was (negatively) associated with engagement in organizational citizenship behaviours. Implications of the results are discussed and directions for future research are offered. 相似文献