Critical periods for the effects of infantile experience on adult learning

Mice were shocked with 0.1, 0.3, or 0.5 ma of current at 2 to 3, 8 to 9, or 15 to 16 days. Handled, nonshocked and nonhandled controls were also used. In adulthood each group was split into thirds and taught an avoidance response under shock of 0.3, 0.5, or 0.7 ma. The amount of shock given during infancy and adulthood, and the age at which shock occurred, were all found to have significant effects upon learning.     

焦虑对外语学习的影响及相关研究

用克拉申的情感过滤理论,分析焦虑与外语学习的关系。从实证研究层面对焦虑对外语学习的影响进行分析,介绍了相关的焦虑测量量表,指出了当前有待解决的问题,以期为今后的研究打下基础。     

语言测试对语言教学的反拨作用

测试对教学具有反拨作用,正面作用可促进学生刻苦学习和老师改进教学工作;负面作用容易引起教与学的目的偏向。应提高测试的积极反拨作用,降低它的消极作用。测试应明确目的性,以正确的理论作指导,采取直接测试与间接测试相结合的方法,尽量减少客观试题,加大主观性试题。     

Infant handling: effects on avoidance learning, brain weight, and cholinesterase activity

Infant rats were "handled" by removing them periodically from their home cages. "Non-handled" rats were left undisturbed. Half of the animals were killed at weaning, and weights and cholinesterase activity were determined on four different sections of the brain. The remaining animals were conditioned to avoid an administered shock. Handling increased ventral-cortex and subcortical weights and decreased subcortical cholinesterase. No differences in avoidance conditioning were observed.     

农业从娃娃抓起——从美国未来农民组织看美国经验

本文介绍了美国未来农民组织(FFA)的基本情况及其在引导青年人热爱农业、鼓励青年人投身农业、指导青年人掌握农业技术等方面所起到的积极作用。美国未来农民组织的经验值得我们思考借鉴,笔者为此编译整理了有关情况供参考。     

Errorless discrimination learning inthe pigeon: effects of chlorpromazine and impiramine

Chlorpromazine or imipramine disrupts a pigeon's performance on a discrimination between a vertical and horizontal line only if the discrimination was learned with errors. Errorless learning is obtained if training starts with an easy-to-learn discrimination of color and shifts progressively to the more difficult horizontal-vertical discrimination.     

论消费者自主选择权的保护——以数字电视为视角

消费者自主选择权是消费者最为核心的权利之一,消费者自主选择权的正当性基础是平衡正义、消费者的弱者地位及其意思表示不自由。而数字电视提供者滥用其垄断地位以格式合同剥夺了消费者自主选择权,极大冲击了契约自由原则。政府与数字电视提供商利用“公共利益”之名合法化其自身利益,损害消费者的自主选择权。因而,应完善垄断行业消费者权益保护的相关立法、执法及诉讼机制,更好保护消费者自主选择权。     

Science centers: a potential for learning

The past decade has witnessed a proliferation of science-technology centers, or public places for informal learning about science and technology. Science centers are the only institutions that can provide the general public with participatory exhibits and experiences, together with an accurate scientific interpretation of the materials that are involved. The dramatic rise in attendance and the enthusiasm of repeat visitors to science centers reflect a strong public demand for exhibits designed to help the visitor develop a better understanding of the contemporary scientific issues of society.     

略论电视教材中声音的使用

声音是电视教材中的重要元素,对教学效果起着举足轻重的作用.因此,在制作电视教材时要注意正确使用声音,注意解说和画面的有机结合,注意合理使用音乐,重视同期声的运用,特别要注意各种声音的统一,这样才能较好的反映教学内容的真实性、科学性和艺术性.     

一种电视图象噪声测试的新方法

We discuss in this paper the evaluation of television picture.Our conclusion is that the television image noise is mainly a stationary ergodic process.Based on it a new method on noise measurement of tetevision picture is proposed and objective evaluation     

基于工作室教学的影视后期制作教学新模式探讨

随着职业教育改革的不断深入,淮安生物工程高等职业学校计算机应用专业的课程体系设置有了很大变化。影视后期制作是本专业一门新兴课程,更是本专业学生必修的专业课。作为该课程主要负责人,探索并建立了有效的教学模式,在学校领导的帮助下成立了影视后期制作工作室,将课堂教学由教室搬到工作室,建立了基于工作室教学的教学新模式。     

学习马克思主义的几点思考

建设马克思主义学习型政党,必须认真学习马克思主义理论。学习马克思主义,必须把握马克思主义的几个特点:内容丰富、博大精深的宏伟体系,与时俱进、生生不息的科学理论,学术性、政治性的有机统一,斗争性、发展性的辩证结合;应当构建马克思主义的四维知识结构:全面地学习马克思主义基本原理,系统地了解马克思主义发展的历史,认真地研读马克思主义经典著作,扎实地实践马克思主义科学理论;需要注意学习中的几个问题:树立马克思主义学风,坚持马克思主义方法,选择马克思主义的解读视角,端正学习马克思主义的态度。