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241.
M. F. de Almeida Aldina Correia Eliana Costa e Silva 《Journal of applied statistics》2018,45(3):558-567
The effect of processing conditions of material and interfacial/ interphase properties in clay/polymer nanocomposites are usually studied through experimental results of X-ray diffraction, transmission electron microscopy and rheology mechanical tests. In this paper, the interaction of the experimental parameters and properties measure results are studied by employing multivariate analysis of variance technique. This model is used to establish relations between several material and interfacial/interphase characteristics with the processing conditions. These results are then analyzed in detail, using univariate approach (analysis of variance), to point out the existing significant relations. In general, agreement with experimental observations was found, but few other nonagreeable things are found out, which must be studied in the future. The effects of all parameters are thus determined, using these new approach, to predict the relations between material and interfacial/interphase properties, without the need to duplicate experiments in laboratory. 相似文献
242.
Shamika Almeida Marie‐France Waxin Yin Paradies 《International migration (Geneva, Switzerland)》2019,57(1):318-334
This article examines how recruitment decision‐makers’ cultural capital can influence their concerns about the organizational fit of skilled migrants (SM). We used survey data and interviews with Information Technology organizations in Australia. The study highlights the decision‐makers’ relatively poor understanding of non‐western cultures and how it negatively influences their perception of candidates from non‐western backgrounds. Furthermore, this study also notes how organisational cultural values and decision‐makers’ exposure to diverse cultures can influence their assumptions about the value of international qualifications and work experiences. Similarly, it can also influence how they assess the perception of fit based on a candidate's appearance and communication style. Consequently, the cognitive biases and judgements of resource acquisition managers can act as gatekeepers who keep non‐western SM out of the organizational resource pool. The article concludes by noting the importance of human resource practices that seek to develop cultural capital of decision‐makers. 相似文献
243.
Does Partner Responsiveness Predict Hedonic and Eudaimonic Well‐being? A 10‐Year Longitudinal Study 下载免费PDF全文
Motivated by attachment theory and recent conceptualizations of perceived partner responsiveness as a core feature of close relationships, the authors examined change in hedonic and eudaimonic well‐being over a decade in a sample of more than 2,000 married adults across the United States. Longitudinal analyses revealed that perceived partner responsiveness—the extent to which individuals believe that their partner cares for, appreciates, and understands them—predicted increases in eudaimonic well‐being a decade later. These results remained after controlling for initial hedonic and eudaimonic well‐being, age, gender, extraversion, neuroticism, and perceived responsiveness of family and friends. Affective reactivity, measured via an 8‐day diary protocol in a subset of the sample, partially mediated this longitudinal association. After controlling for covariates, perceived partner responsiveness did not prospectively predict hedonic well‐being. These findings are the first to document the long‐term benefits of perceived partner responsiveness on eudaimonic well‐being. 相似文献
244.
Experiences With Parents and Youth Physical Health Symptoms and Cortisol: A Daily Diary Investigation 下载免费PDF全文
Melissa A. Lippold Susan M. McHale Kelly D. Davis David M. Almeida Rosalind B. King 《Journal of research on adolescence》2016,26(2):226-240
Using daily diary data, this study examined the associations between positive and negative parent–youth experiences and youth cortisol and physical health symptoms among a sample of adolescents (N = 132, mean age = 13.39). On days when girls reported more negative experiences than usual, they exhibited more physical health symptoms and flatter evening cortisol slopes than usual. Negative experiences with mothers were associated with higher dinner and bedtime youth cortisol levels (between‐person). Daily positive experiences with fathers were linked with lower dinner cortisol levels. Youth with high levels of negative experiences, on average, were less sensitive to daily variation in negative experiences than youth who experienced lower parental negativity. We discuss the benefits of a daily diary approach. 相似文献
245.
Joana Almeida Alvino E. Fantini Ana Raquel Simões Nilza Costa 《Intercultural Education》2016,27(6):517-533
This paper examines how the addition of intercultural interventions carried out throughout European credit-bearing exchange programmes can enhance sojourners’ development of intercultural competencies, and it explores how both formal and non-formal pedagogical interventions may be designed and implemented. Such interventions were conducted at a Portuguese university with 31 sojourners throughout one academic year, and their impact was assessed using a mixed methods research design. Sojourners included incoming students of the exchange programmes Campus Europae and Erasmus, as well as highly skilled immigrants. Findings confirm the positive impact of interventions on the development of intercultural competencies and, in turn, their contribution to internationalisation efforts. Implications for further research suggest a need to increase interventions and to develop a systematic approach for fostering intercultural competencies throughout the study abroad cycle. 相似文献
246.
The authors used data from the National Institute of Child Health and Human Development Study of Early Child Care and Youth Development (N = 1,364) to examine maternal work hour status and parenting (sensitivity and learning opportunities) from infancy through middle childhood. Work hour status was conceptualized as nonemployment, part time, and full time. Adjusting for covariates, mothers employed part time had higher sensitivity scores and higher provision of child learning opportunity scores than did mothers who were not employed, and these differences characterized families during early childhood rather than middle childhood. Mothers' provision of child learning opportunities was greater when she was employed full time (vs. part time) during early childhood. In addition to child age, mothers' ethnic minority status and partner status moderated the association between maternal work hour status and mothers' parenting. In general, the findings supported ideas forwarded by role expansionist theory. 相似文献
247.
The dominant approach to studying historical race-related fertility differences has been to limit samples to first-married and younger women. We argue that studying historical race-related fertility differences in the context of remarriage is also important: remarriage and fertility patterns are both rooted in the biosocial conditions that produce racial disparities in health. We employ a multiple causes framework that attributes variation in fertility patterns to voluntary limitation and involuntary factors (infecundity/subfecundity). We use data from the 1910 Integrated Public Use Microdata Series and estimate zero-inflated negative binomial models that simultaneously distinguish those who are infecund (vs. fecund) and estimate the number of remarital births among the fecund. Our approach allows us to evaluate historical remarital (in)fertility differences, accounting for marital, socioeconomic, and geographic influences on fecundity and fertility, while empirically accounting for the influence of children “missing” from the household due to mortality and fostering/aging out. Consistent with past studies that emphasized poorer African American health as a major influence on involuntary infertility, we find that African American women were more likely than white women to be in the always-zero (infecund) group and to have fewer remarital births. Supplemental analyses nuance these findings but indicate that these results are robust. Overall, we find support for a multiple-causes perspective: while the findings are consistent with the adoption of deliberate fertility control among urban and higher-status women at higher parities, remarital fertility differences in 1910 also reflected greater infecundity/subfecundity among subgroups of women, especially African American women. 相似文献
248.
249.
Danilla Icassatti Corazza Émerson Sebastião Renata Valle Pedroso Carla Andreza Almeida Andreatto Flavia Gomes de Melo Coelho Sebastião Gobbi Elizabeth Teodorov Ruth Ferreira Santos-Galduróz 《European review of aging and physical activity》2014,11(1):25-34
The circulating level of cortisol is regulated by the hypothalamic-pituitary-adrenal axis through a neuroendocrine feedback circuit. This circuit can be activated by physiological stimuli such as stress, diseases, and exercise. High levels of serum cortisol hormone normally occur as a byproduct of aging, and can cause several types of damage to the organism and exacerbate immunosenescence. There is a great deal of variability in the cortisol response with regard to type, intensity, volume, and frequency of exercise. However, these relationships have been extensively studied with respect to the acute effects of exercise. Despite the well-known effects of acute exercise on cortisol response, it is unclear how it is affected by chronic exercise and the aging process. Therefore, the aim of this study was to conduct a review of studies that attempt to analyze the influence of chronic exercise on serum cortisol hormone in older people. In order to accomplish this goal, a review from 1970 to June 2012 period was performed using the following databases: Biological Abstracts, PsycINFO, PubMed/Medline, and the Web of Science. Eight articles met the criteria used in this study. Based on the included articles, chronic exercise may influence the serum levels of cortisol levels in older people. Despite this evidence, these results may not be generalized to the entire population of older people, given the few number of studies and especially because the studies showed diversity in variables and methodologies. 相似文献
250.
This study analyzes an accident in which two maintenance workers suffered severe burns while replacing a circuit breaker panel in a steel mill, following model of analysis and prevention of accidents (MAPA) developed with the objective of enlarging the perimeter of interventions and contributing to deconstruction of blame attribution practices. The study was based on materials produced by a health service team in an in-depth analysis of the accident. The analysis shows that decisions related to system modernization were taken without considering their implications in maintenance scheduling and creating conflicts of priorities and of interests between production and safety; and also reveals that the lack of a systemic perspective in safety management was its principal failure. To explain the accident as merely non-fulfillment of idealized formal safety rules feeds practices of blame attribution supported by alibi norms and inhibits possible prevention. In contrast, accident analyses undertaken in worker health surveillance services show potential to reveal origins of these events incubated in the history of the system ignored in practices guided by the traditional paradigm. 相似文献