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叶彬 《西昌学院学报(社会科学版)》2008,20(2):150-152
本文旨在探讨自主学习模式下的英语口语学习。通过分析口语学习的特点以及课堂教学的局限性,指出自主学习是提高口语学习效率的有效途径,并介绍了口语自主学习的策略和口语能力自我评估的方法。 相似文献
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In a response-adaptive design, we review and update the trial on the basis of outcomes in order to achieve a specific goal. Response-adaptive designs for clinical trials are usually constructed to achieve a single objective. In this paper, we develop a new adaptive allocation rule to improve current strategies for building response-adaptive designs to construct multiple-objective repeated measurement designs. This new rule is designed to increase estimation precision and treatment benefit by assigning more patients to a better treatment sequence. We demonstrate that designs constructed under the new proposed allocation rule can be nearly as efficient as fixed optimal designs in terms of the mean squared error, while leading to improved patient care. 相似文献
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This pilot study was developed to better understand the perceived level of self-competence in African American adolescents living within public housing developments in the mid-South. The study’s goal was to obtain a more in-depth understanding of self-perceptions in strategic areas and begin to determine how their environment may affect dimensions of self-competence. Measurements included Harter’s Self-Perception Profile for Children scale (SPPC) and Hudson’s Family Relationship Problems domain contained in his Multidimensional Adolescent Assessment Scale. A comparative analysis was conducted between the sample means and those obtained from the population on which the SPPC instrument was normed [Harter (1985), The self-perception profile for children: revision of the perceived competence scale for children. Denver: Manual, University of Denver]. All scores were analyzed both within gender and within past scholastic performance. Findings suggested that this sample of public housing youth scored similarly within both gender and past scholastic performance on most domains with a few exceptions. Males scored significantly higher on self-ratings of physical appearance than females, and low-reporting scholastic achievers tended to rank themselves significantly lower in athletic competence. Physical appearance and scholastic competence were associated with global self-worth, and family turmoil was associated with fewer close friendships. Importantly, the sample means were significantly different than the normed population means across several domains of competence. The finding suggesting that scholastic performance is a predictor of self-worth is supported by later research and refuted by earlier research. Perhaps this is a regional effect or perhaps there has been a cultural norm shift that more recent studies are able to identify. Interventions need to be designed for youth at middle-school age because the ability to instill protective factors greatly diminishes at post-puberty development.Article Note Michael Sullivan and Theora Evans are affiliated with College of Social Work, The University of Tennessee, 711 Jefferson Ave. Suite 607 W., Memphis, TN 38163, USA 相似文献
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道家精神与瑜伽智慧——通往身心和谐的道路 总被引:1,自引:0,他引:1
经营自我和发展自我已成为当下的流行。随着社会的发展,我们缺乏对自己生活的反思。面对当今人们的精神困惑,我们应借助于东方的传统文化。对传统文化的现代理解是因为传统文化中表现了人性,而人性是永恒的,所以要继承。历史失落了,才有人文精神的失落。道家精神和瑜伽智慧是人类文化的精髓。 相似文献
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雷国宏 《宝鸡文理学院学报(社会科学版)》2011,31(3):83-87
日本"鬼子"形象在不同历史时期的文学作品中有着不同的呈现方式,并逐渐形成了某种无意识的表述和记忆。50、60年代文学中的日本"鬼子"形象受到特定时代文化语境的影响,具有模式化和想象化倾向,构成了对他者形象叙述的套话特征。文学中对日本"鬼子"这一他者形象的塑造和定义,背后隐含了自我的话语立场和言说意图,负载着对国家和民族形象的建构和确证。 相似文献
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In this article, we propose a new product positioning method based on the neural network methodology of a self‐organizing map. The method incorporates the concept of rings of influence, where a firm evaluates individual consumers and decides on the intensity to pursue a consumer, based on the probability that this consumer will purchase a competing product. The method has several advantages over earlier work. First, no limitations are imposed on the number of competing products and second, the method can position multiple products in multiple market segments. Using simulations, we compare the new product positioning method with a quasi‐Newton method and find that the new method always approaches the best solution obtained by the quasi‐Newton method. The quasi‐Newton method, however, is dependent on the initial positions of the new products, with the majority of cases ending in a local optimum. Furthermore, the computational time required by the quasi‐Newton method increases exponentially, while the time required by the new method is small and remains almost unchanged, when the number of new products positioned increases. We also compute the expected utility that a firm will provide consumers by offering its products. We show that as the intensity with which a firm pursues consumers increases, the new method results in near‐optimal solutions in terms of market share, but with higher expected utility provided to consumers when compared to that obtained by a quasi‐Newton method. Thus, the new method can serve as a managerial decision‐making tool to compare the short‐term market share objective with the long‐term expected utility that a firm will provide to consumers, when it positions its products and intensifies its effort to attract consumers away from competition. 相似文献
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苗大雷夏铭蔚 《中国农业大学学报(社会科学版)》2021,38(2):41-51
全球抗击新冠肺炎疫情过程中出现了许多针对不同群体的污名现象。文章以新冠肺炎疫情期间的“湖北人”污名为例,结合风险社会理论分析了风险社会中的污名现象。研究发现,风险社会中的污名现象表现出突发性、内隐性和单向性等突出特点,社会风险及其不确定性带来的恐慌、信任危机以及风险意识的形成和传播等因素共同导致了污名的产生和扩散。污名应对的中国经验表明,结合风险社会的特点,通过政府、专家、媒体和公众的共同努力,有助于提升预防风险和治理风险的能力,合力消除污名,这值得其他国家借鉴,也应进行更深入研究。 相似文献
120.
吴晓番 《江南大学学报(人文社会科学版)》2014,13(4):10-15
中国哲学很早就对“人是什么”的问题进行了探讨。中国古典思想的理论前提和逻辑各有不同,但各家各派都主张某种程度上的“无我”之说。从毋我、无已到无我,对自我的消解和否定构成了其中共同的趋向。中国传统思想中的自我是整体主义的自我。自我理解的差异构成了人道主义的古今之辩的前提。 相似文献