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401.
Michele Sferrazza Cheng Xiao Richard A.L. Jones Jeffery Penfold 《Philosophical Magazine Letters》2013,93(8):561-567
The kinetics of the formation of the interfacial width between immiscible polymer pairs are studied using neutron reflectivity. Bilayers of deuterated polystyrene (d-PS) and poly(methyl methacrylate) of high molecular weight are used. The time dependence of the formation of the interface in both cases where the thickness of the top d-PS layer is thin (less than 200 Å) and thick (greater than 1000 Å) is investigated. Following an initial rapid increase, a logarithmic dependence of the interfacial width on time is observed. We interpret this result as arising from the slow equilibration of long-wavelength capillary-wave fluctuations; comparison of our results with theory yields a value of the interfacial tension in good agreement with the self-consistent field theory prediction. 相似文献
402.
"共情"(Empathy)是十分重要的心理现象,影响着人们的社会认知和实际的人际交往;共情更是临床心理学中的专业术语,直接关系到医患关系的建立以及治疗和治愈的效果。针对目前国内心理学界对于Empathy的不同理解乃至使用上的混乱,文章从该术语的起源和本义,以及其专业内涵和翻译的意义等方面,提出了独到的见解和主张。 相似文献
403.
Qamar Farooq Shahzad Ahmad Khan Chen Ting Peihua Fu Xiao Yao 《Scandinavian journal of psychology》2021,62(1):88-94
Bullying at workplaces is a growing problem associated with several antecedents and outcomes of psychological disorders. Extant literature shows the relationship of victimization with the owning‐up curriculum to confront bullying, but so far there is little research to cure the issue of bullying through ethics and there is no study to check the impact of ethical lessons and exercises in training materials to curb bullying at workplace. The current paper is based on a literature review of aggression and bullying, and chiefly addresses the HR practices in rescuing the people from peer victimization. Conceptually segregating supervisor‐subordinate (vertical) and peer‐peer (horizontal) bullying psychology, this paper attempts to see what possible corrective steps can be taken by senior managers, supervisors and psychologists to resolve this critical problem through interior capacities. In this paper, we have developed three propositions for conducting a future empirical investigation in connection to a cohort study. By addressing the counterproductive/deviant behavior, the present report is likely to be beneficial for psychology scientists and HR practitioners in noticing and resolving the bullying issues at the workplace for the well‐being of employees. 相似文献
404.
E-learning systems are capable of providing more adaptive and efficient learning experiences for learners than traditional classroom settings. A key component of such systems is the learning policy. The learning policy is an algorithm that designs the learning paths or rather it selects learning materials for learners based on information such as the learners’ current progresses and skills, learning material contents. In this article, the authors address the problem of finding the optimal learning policy. To this end, a model for learners’ hierarchical skills in the E-learning system is first developed. Based on the hierarchical skill model and the classical cognitive diagnosis model, a framework to model various mastery levels related to hierarchical skills is further developed. The optimal learning path in consideration of the hierarchical structure of skills is found by applying a model-free reinforcement learning method, which does not require any assumption about learners’ learning transition processes. The effectiveness of the proposed framework is demonstrated via simulation studies. 相似文献
405.
Drawing on results from 32 published and 20 unpublished laboratory and field experiments, we conducted an enumerative review of the primed goal effects on outcomes of organizational relevance including performance and the need for achievement. The enumerative review suggests that goal setting theory is as applicable for subconscious goals as it is for consciously set goals. A meta-analysis of 23 studies revealed that priming an achievement goal, relative to a no-prime control condition, significantly improves task/job performance (d = 0.44, k = 34) and the need for achievement (d = 0.69, k = 6). Three moderators of the primed goal effects on the observed outcomes were identified: (1) context-specific vs. a general prime, (2) prime modality (i.e., visual vs. linguistic), and (3) experimental setting (i.e., field vs. laboratory). Significantly stronger primed goal effects were obtained for context-specific primes, visual stimuli, and field experiments. Theoretical and managerial implications of and future directions for goal priming are discussed. 相似文献
406.
Julie K. Norem Le Fan Xiao Mohan Li Jordan Dombroski 《Social and Personality Psychology Compass》2023,17(11):e12853
The purpose of this research was to test, in the context of the COVID-19 pandemic, the hypothesis that individuals who use defensive pessimism as a strategy to manage anxiety are likely to act to prevent or mitigate negative outcomes. Across three crowd-sourced samples (Total N = 1416), defensive pessimism was correlated with self-reports of more precautionary behavior (Studies 1, 2, & 3) and fewer COVID-positive results (Study 3). 相似文献
407.
Mental rotation is positively related to arithmetic ability; however, the mechanism underlying this relationship remains unclear. The possible roles of working memory, place-value concept, and number line estimation in the correlation between mental rotation and whole-number computation were investigated. One hundred and fifty-five first-grade students were tested to determine their mental rotation ability, arithmetic ability, and non-verbal intelligence. One year later, their working memory, place-value concept, number line estimation, and overall arithmetic ability were assessed. After controlling for age, gender, and prior arithmetic ability, we found that mental rotation uniquely predicted arithmetic ability after one year. Further mediation analyses demonstrated that number line estimation significantly mediated the relationship between mental rotation and arithmetic ability. In contrast, neither working memory nor place-value concept significantly mediated the relationship between mental rotation and arithmetic ability. This study highlights that mental number line estimation is the most important element explaining the influence of a dynamic spatial skill, that is, mental rotation, on arithmetic ability among young Chinese children. 相似文献
408.
Family socioeconomic status (SES) has been frequently linked to children’s early development. Treating SES as an aggregated variable has many issues, as different components of SES may relate to child outcomes through divergent mechanisms. The purpose of the study was to examine whether parents’ engagement in home learning activities and children’s participation in extracurricular activities (EAs) would function as pathways through which individual SES components related to children’s school readiness. A total of 588 families with preschool‐aged children were recruited from Guangdong province in China. Children’s receptive vocabulary, Chinese reading, and early math skills were individually assessed at three time points, and children’s social skills were rated by parents. Parents reported their engagement in home learning activities with children and their children’s participation in EAs. The results showed that all three components of family SES were related to multiple aspects of children’s school readiness, but through different pathways. Parental income was related to children’s school readiness through EA participation only; parental education and occupational status were associated with school readiness via both parental engagement and child EA participation. The findings suggest that considering SES components separately will produce a more nuanced understanding of the divergent pathways through which family SES may relate to children’s school readiness. Chinese government may provide parent education programs focused on cognitive stimulation for low‐SES families to promote children’s school readiness. Furthermore, the government needs to ensure children’s equal access to EAs to prevent increasing the developmental gap among children from discrepant socioeconomic backgrounds. 相似文献
409.
采用整群抽样法对630名中小学教师进行调查,考察教师情绪智力与工作绩效之间的关系,以及工作家庭促进和主动行为在其中的中介作用。结果发现：（1）教师情绪智力、工作促进家庭、家庭促进工作和主动行为与工作绩效呈显著正相关;（2）教师情绪智力对工作绩效具有直接的正向预测作用,同时还通过家庭促进工作和主动行为的多重中介作用对工作绩效产生影响;（3）高低情绪智力对工作绩效的影响机制不同,低情绪智力通过家庭促进工作的部分中介作用影响教师工作绩效,高情绪智力通过家庭促进工作和主动行为的完全多重中介作用影响教师工作绩效;（4）工作家庭促进中工作促进家庭维度在教师情绪智力影响工作绩效中没有显著中介作用。 相似文献
410.
精神病患者的自主权应当得到相应的尊重和保护,作为社会的弱势群体,精神病患者的认知和行为能力存有缺陷,无法完全对自身的健康与合法权益予以保护,“自愿原则”将精神病患者从历史“异端”拉进社会关爱中,并用法律予以规范,是法制与人权的进步。通过对维护患者利益原则、尊重自主权原则、知情同意权原则、维护公共利益原则和公正原则进行伦理精神分析,论述《精神卫生法》对精神障碍诊疗实行自愿原则的相关规定,提出“自愿原则”实施的伦理正当性,为衡平正义提供价值考量。 相似文献