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91.
Chiara Santolin Gonzalo Garcia-Castro Martin Zettersten Nuria Sebastian-Galles Jenny R. Saffran 《Infancy》2021,26(1):39-46
Interpreting and predicting direction of preference in infant research has been a thorny issue for decades. Several factors have been proposed to account for familiarity versus novelty preferences, including age, length of exposure, and task complexity. The current study explores an additional dimension: experience with the experimental paradigm. We reanalyzed the data from 4 experiments on artificial grammar learning in 12-month-old infants run using the head-turn preference procedure (HPP). Participants in these studies varied substantially in their number of laboratory visits. Results show that the number of HPP studies is related to direction of preference: Infants with limited experience with the HPP setting were more likely to show familiarity preferences than infants who had amassed more experience with this paradigm. This evidence has important implications for the interpretation of experimental results: Experience with a given method or, more broadly, with the laboratory environment may affect infants’ patterns of preferences. 相似文献
92.
Review of Economics of the Household - In recent years, the relationship between parental separation and child outcomes has received massive attention. This extraordinary level of interest stems... 相似文献
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Chiara Consiglio Laura Borgogni Guido Alessandri Wilmar B. Schaufeli 《Work and stress》2013,27(1):22-42
In team-based organizations, team members may share similar experiences, feelings and, consequently, susceptibility to burnout. This study explores the burnout process beyond the individual level of analysis and integrates Social Cognitive Theory (SCT) with the Job Demands-Resources Model (JD-R), emphasizing the role of self-efficacy in shaping the meaning that people ascribe to situations. A multilevel structural equation model was tested in which it was predicted that work self-efficacy beliefs would be associated with burnout both directly and indirectly via job demands and job resources, and at both the individual and the team level. Moreover, it was posited that, at the team level, registered sickness absences are predicted by burnout. A sample of 5406 call centre operators, clustered in 186 teams working in the same large Italian company, filled out a questionnaire, whereas team absence rates were provided by the company's HR department. The findings largely supported the hypothesized model: at both levels, job demands and job resources partially mediated the relationship between self-efficacy and burnout. Moreover, at the team level, burnout predicted subsequent sickness absenteeism. In addition, individual-level burnout was primarily associated with job demands, whereas team-level burnout was primarily associated with a lack of team-level resources. 相似文献
96.
We review census data to assess the standing of five Latin American nations on a gender continuum ranging from patriarchal to matrifocal. We show that Mexico and Costa Rica lie close to one another with a highly patriarchal system of gender relations whereas Nicaragua and the Dominican Republic are similar in having a matrifocal system. Puerto Rico occupies a middle position, blending characteristics of both systems. These differences yield different patterns of female relative to male migration. Female householders in the two patriarchal settings displayed low rates of out-migration compared with males, whereas in the two matrifocal countries the ratio of female to male migration was much higher, in some case exceeding their male counterparts. Multivariate analyses showed that in patriarchal societies, a formal or informal union with a male dramatically lowers the odds of female out-migration, whereas in matrifocal societies marriage and cohabitation have no real effect. The most important determinants of female migration from patriarchal settings are the migrant status of the husband or partner, having relatives in the United States, and the possession of legal documents. In matrifocal settings, however, female migration is less related to the possession of documents, partner's migrant status, or having relatives in the United States and more strongly related to the woman's own migratory experience. Whereas the process of cumulative causation appears to be driven largely by men in patriarchal societies, it is women who dominate the process in matrifocal settings. 相似文献
97.
In this paper, we consider an ergodic diffusion process with jumps whose drift coefficient depends on an unknown parameter. We suppose that the process is discretely observed. We introduce an estimator based on a contrast function, which is efficient without requiring any conditions on the rate at which the step discretization goes to zero, and where we allow the observed process to have nonsummable jumps. This extends earlier results where the condition on the step discretization was needed and where the process was supposed to have summable jumps. In general situations, our contrast function is not explicit and one has to resort to some approximation. In the case of a finite jump activity, we propose explicit approximations of the contrast function such that the efficient estimation of the drift parameter is feasible. This extends the results obtained by Kessler in the case of continuous processes. 相似文献
98.
Chiara Fusar Poli Costanza Marzotto Federica Facchin Francine Cyr 《Journal of divorce & remarriage》2017,58(8):559-583
The aims of this article are to review the current body of knowledge on group interventions for children with separated or divorced parents and to provide new insights into the evaluation of their efficacy. This review draws on a method of systematic narrative review (SNR). We provide a narrative synthesis of evidence from 29 studies conducted between 1980 and 2014, which were included in the SNR consistently with the inclusion criteria established. Three dimensions were considered: intervention characteristics, study characteristics, and intervention outcomes (i.e., types of outcomes and efficacy). Our findings showed a general inconsistency among the studies, which was discussed in the light of some important methodological issues. 相似文献
99.
To work as an educator in Italy has required a specific university degree for only a few years now. This change has institutionalized the educational path regarding some factual knowledge and skills. However, the profession of educator also relates to an experiential culture and to personal motivations affecting and sustaining each individual's choice of the profession. This paper examines the ideas of professional identity held by a group of Italian students at the beginning of their college career. The sample includes two groups at the University of Padua, one group learning to work in social work, one group learning to work in health care. During the first three years of the new academic requirement, first-year students in both groups were qualitatively and quantitatively surveyed. In particular the study explores the reasons students orient towards these curricula, and the distinctive elements, competences, experiences and values they include in their image of an educator. Statistical multi-dimensional methods of data analysis are used. 相似文献
100.
Large-area, long-duration power outages are increasingly common in the United States, and cost the economy billions of dollars each year. Building a strategy to enhance grid resilience requires an understanding of the optimal mix of preventive and corrective actions, the inefficiencies that arise when self-interested parties make resilience investment decisions, and the conditions under which regulators may facilitate the realization of efficient market outcomes. We develop a bi-level model to examine the mix of preventive and corrective measures that enhances grid resilience to a severe storm. The model represents a Stackelberg game between a regulated utility (leader) that may harden distribution feeders before a long-duration outage and/or deploy restoration crews after the disruption, and utility customers with varying preferences for reliable power (followers) who may invest in backup generators. We show that the regulator's denial of cost recovery for the utility's preventive expenditures, coupled with the misalignment between private objectives and social welfare maximization, yields significant inefficiencies in the resilience investment mix. Allowing cost recovery for a higher share of the utility's capital expenditures in preventive measures, extending the time horizon associated with damage cost recovery, and adopting a storm restoration compensation mechanism shift the realized market outcome toward the efficient solution. If about one-fifth of preventive resilience investments is approved by regulators, requiring utilities to pay a compensation of $365 per customer for a 3-day outage (about seven times the level of compensation currently offered by US utilities) provides significant incentives toward more efficient preventive resilience investments. 相似文献