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黄炜 《教学月刊(中学下旬版)》2008,(18)
不管使用什么技术或设备,优秀的课堂教学都具备一些相同特征,具备良好的教学设计和课堂结构,具有清晰的学习目标、学习结果等等.它们包括:(1)良好的热身活动.(2)清晰、简要地介绍本堂课的学习目的和学习目标.(3)快速、有效地引入新的学习内容或学习活动.这是整堂课教学的主要部分,并会在课堂中不同时间段反复出现.(4)组织小组讨论、班级讨论.(5)复习、巩固课堂教学内容,做课堂小结,反思学习过程. 相似文献
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简要介绍了材料硬度的概念、分类及使用范围,总结了科技期刊中材料硬度的表达形式,分析了其原因,建议材料硬度的规范化表达形式。 相似文献
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电子能借助于磁场给光波以能量,形成的强光束能穿透晶体结构——也许甚至可以击毁空间的导弹。 相似文献
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OBJECTIVE: The goal was to develop a retrospective inventory of parental threatening behavior to facilitate a better understanding of such behavior's role in the etiology of psychological distress. METHOD: Inventory items were developed based on theory and 135 students' responses to a question eliciting examples of threatening parental behavior. Following item development, two additional student samples (n = 200 and n = 603) completed batteries of self-report measures. Responses were used to eliminate unstable or redundant items from the inventory and to examine the inventory's psychometric properties. RESULTS: Factor analysis of the inventory revealed three factors, accounting for 66.2% of variance; this factor structure is compatible with theory, and consistent across maternal behavior scores, paternal behavior scores, and combined maternal and paternal scores. Cronbach's coefficient alphas indicated acceptable internal consistency; Pearson correlation coefficients indicated acceptable 4-week test-retest reliability. Moderate intercorrelations with two retrospective measures of childhood experiences suggested construct validity. Regression analyses demonstrated the ability of the inventory to predict both anxious and depressive symptomatology and lifetime symptoms of anxiety and depressive disorder. Normative data on combined parent scores, maternal scores, and paternal scores are also presented. CONCLUSIONS: Initial psychometric testing of the Parent Threat Inventory (PTI) suggests it is a reliable and valid tool for investigating the developmental antecedents of adult psychological distress. Further research should focus on addressing two limitations: (1) lack of normative and psychometric data on men and women suffering from clinical disorders, and (2) lack of validation by parental reporting. 相似文献
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OBJECTIVE: To evaluate the success of specialized community-based treatment for reducing adolescent sexual reoffending and explore the predictive utility of variables assessed regarding sexual and nonsexual recidivism. METHOD: Recidivism data (criminal charges) were collected for 58 offenders participating in at least 12 months of specialized treatment at the SAFE-T Program. Data were also collected for a comparison group of 90 adolescents who received only an assessment (n = 46), refused treatment (n = 17), or dropped out before 12 months (n = 27). Follow-up interval ranged from 2 to 10 years (M = 6.23, SD = 2.02). Offenders completed a battery of psychological tests to provide standardized data regarding social, sexual, and family functioning. RESULTS: Recidivism rates for sexual, violent nonsexual, and nonviolent offenses for treated adolescents were 5.17%, 18.9%, and 20.7%, respectively. The Comparison group had significantly higher rates of sexual (17.8%), violent nonsexual (32.2%), and nonviolent (50%) recidivism. Sexual recidivism was predicted by sexual interest in children. Nonsexual recidivism was related to factors commonly predictive of general delinquency such as history of previous offenses, low self-esteem, and antisocial personality. CONCLUSIONS: Results support the efficacy of treatment for adolescent sexual offenders and are consistent with the notion that sexual recidivism is predicted by unique factors unrelated to general (nonsexual) reoffending. 相似文献
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为了向社会展示上海基础教育信息化建设和信息科技教育的最新成果,促进全社会共同关注支持基础教育信息化的发展,由上海市教育学会主办,上海市电化教育馆承办,上海市教育委员会教学研究室、上海教育服务园区、上海教育资源库协办的第七届上海市中小学电脑设计与制作成果展暨2007上海教育信息技术展于2007年4月14日~15日在上海展览中心(东馆)举行。[第一段] 相似文献
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所谓教学操作到位,指对知识的认知、记忆、理解、运用。从而达到创造性综合提高。具体来说,即指确定好每节课的知识点,在理解的基础上运用具体材料,把知识迁移到新的情境下去运用。它的原则是每课目标落实,重在培养能力。 作文教学是语文教学的重点,学生从小学三年级 相似文献