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101.
The culture of schooling in the United States has become increasingly focused on outwardly proving student competence. Some achievement goal theorists suggest that a major casualty of performance-oriented classroom environments may be student motivation for developing and improving competence. The present study extends across theoretical frameworks of motivation to highlight student perceptions of contextual variables that may mitigate or “buffer” the negative relationship between a perceived performance-oriented classroom goal structure and mastery goals. Survey data were collected from 178 high school students in 15 mathematics classes. Multilevel modeling was used to test student perceptions of three contextual buffers: classroom community, teacher’s autonomy support, and a mastery classroom goal structure. Two significant interactions revealed that classroom community and autonomy support erased the negative effect of a perceived performance classroom goal structure. Results provide practitioners with tools for counteracting potential negative implications of emphasizing performance in the classroom.  相似文献   
102.
自学考试开考职业教育的专业,是满足继续教育对自学考试的多样化需求。本文将以行业协会为纽带,以高职院校为依托,借鉴英国HND经验,探索符合自学考试职业教育特色的专业培养目标和课程设置标准。  相似文献   
103.
This paper presents a novel approach to find optimum locations and capacity of flexible alternating current transmission system (FACTS) devices in a power system using a multi-objective optimization function. Thyristor controlled series compensators (TCSCs) and static var compensators (SVCs) are the utilized FACTS devices. Our objectives are active power loss reduction, newly introduced FACTS devices cost reduction, voltage deviation reduction, and increase on the robustness of the security margin against voltage collapse. The operational and controlling constraints, as well as load constraints, were considered in the optimum allocation. A goal attainment method based on the genetic algorithm (GA) was used to approach the global optimum. The estimated annual load profile was utilized in a sequential quadratic programming (SQP) optimization sub-problem to the optimum siting and sizing of FACTS devices. Fars Regional Electric Network was selected as a practical system to validate the performance and effectiveness of the proposed method. The entire investment of the FACTS devices was paid offand an additional 2.4% savings was made. The cost reduction of peak point power generation implies that power plant expansion can be postponed.  相似文献   
104.
研究初一学生数学学业自尊、成就目标和数学学习成绩关系。采用数学学业自尊量表和成就目标量表,调查成都和平学校268名初一学生数学学业自尊、成就目标。使男女生数学成绩无显著性差异;男生数学学业自尊显著高于女生;男生掌握趋近目标高于女生;女生成绩回避目标高于男生。数学掌握趋近目标、成绩趋近目标以及数学自尊和数学成绩呈正相关;掌握回避目标与数学自尊、掌握趋近以及数学成绩呈负相关。成绩回避和成绩趋近是影响数数学学业自尊和数学学习成绩主要因素。本研究对于促进初一学生数学学业自尊和学习成绩的教育实践具有理论指导意义。  相似文献   
105.
高速公路项目目标持续性评价是高速公路项目后评价的组成部分。在文献综述的基础上,分析了高速公路项目目标持续性评价的四种方法,并应用层次分析法构建高速公路项目目标持续性评价指标体系,得出高速公路可持续性评价指标的权重。  相似文献   
106.
Human goal-processes are conceptualised in an action-theoretic model of motivation, in line with discourse on self-directed teachers. Eighty-eight pre-service teachers reported ideographic professionally-related goals and concerns, future-time extension of the goals, and well-being (self-esteem and depression). Thirteen goal and fifteen concern categories were identified. When the goals were ordered in a perceived future time-sequence these did not reflect discrete developmental stages of teachers. Goals were related to concerns in six content domains demonstrating the utility of investigating both. Goals and concerns were to some extent related to well-being.  相似文献   
107.
定指性强是“x-方的N”结构具有照应功能的重要前提。该类结构在篇章中的照应表现为回指和下指两类。从内部看,该结构的构件在用词和组配方面表现出明显的倾向性。从外部看,是否选择“x·方的N”结构作照应语,受到语言和非语言语境因素的制约。  相似文献   
108.
This meta-analysis examined the relations between achievement goals and self-efficacy. One hundred and twenty-five studies consisting of 148 samples (N = 61,456) reporting the relations between academic achievement goals and academic self-efficacy were included. The correlations of mastery and mastery approach goals with self-efficacy were generally moderate to strong, while those of performance avoidance and mastery avoidance goals with self-efficacy were low. Goal valence was meaningfully related to self-efficacy, whereas the support for the goal definition was inconsistent. Publication status, proportion of males, mean age, and achievement goal measure did not exert significant moderating effects, whereas those for country where the research was conducted, the proportion of Caucasians, the self-efficacy measure, the domains of achievement goals and self-efficacy, and matching between achievement goal and self-efficacy domains varied with the achievement goal factor. The four-factor model was based on a relatively small number of samples, and so future research is needed to determine whether there are differences in correlations of mastery avoidance and performance avoidance goals with antecedents and consequences.  相似文献   
109.
首应效应存在于课堂教学的师生交往互动中,上好高等数学第一堂课,让学生对高等数学及任课教师留下良好的第一印象,对以后教学的有效开展极其重要。文章主要探讨高等数学的第一堂课的目标定位以及具体教学建议。  相似文献   
110.
阐述我国体育课程目标的概念,包括体育课程的总目标、学习方面目标、水平目标、体育教学目标。论述体育课程目标与体育教学目标的关系;体育课程目标的纵向层次;现阶段我国的体育教学目标与研究现状,分析了体育课程与教学目标的发展趋势,概述新课改下体育教学目标制订的依据、原则、要求、步骤与方法。体育教学目标的制订是新课改的热门研究课题,也是体育教学设计实践应用中的热门话题,此研究为我国体育教学一线的教师提供理论与实践的参考。  相似文献   
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