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增值法可用于教师质量评价吗
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作者 许立新 《教育测量与评价(理论版)》 2015年第7期10-14,共5页
增值法用于教师质量评价的优势与劣势并存,其信度、效度亦存在争议。但由于其关注教师对学生学业成就的贡献,从而成为美国一种重要的教师质量评价方法。借鉴美国经验,针对我国现状,增值法用于我国教师质量评价的可能路径或在于:进一步... 增值法用于教师质量评价的优势与劣势并存,其信度、效度亦存在争议。但由于其关注教师对学生学业成就的贡献,从而成为美国一种重要的教师质量评价方法。借鉴美国经验,针对我国现状,增值法用于我国教师质量评价的可能路径或在于:进一步明确其运用于教师质量评价的目的、适用范围,合理解读增值分值,整合多种教师质量评价方法,使之与增值法相互印证。 展开更多
关键词 教师质量 教师质量评价 增值 增值分值
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Analysis of China's tobacco industry competition modes in the government monopoly environment
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作者 李天飞 孙林岩 《Hunan Agricultural Science & Technology Newsletter》 2004年第1期14-17,共4页
China is by far the largest producer of tobacco products in the world. As a big tax source, tobacco industry brings about 10%of China's annual income.At present tobacco industry is under the administrative monopol... China is by far the largest producer of tobacco products in the world. As a big tax source, tobacco industry brings about 10%of China's annual income.At present tobacco industry is under the administrative monopoly management in China. The nation's policy and management mechanism greatly influence the competition structure of tobbacco industry. Due to the double character of tobacco, the country generally imposes a high tax and limits total product output in order to control the tobacco market. Therefore, the price signal of tobacco market is distorted and to a large extent the competition of the industry is far from a free one. The cigarette production is in a multi element competition style within the nation's planning system. In other words, administrative monopoly and over competition exist simultaneously in China's tobacco industry. The country predetermines the output quota of each cigarette manufacturing enterprise and the actual production outputs of these enterprises could be adjusted through the quota trades among them. The competition in tobacco industry is mainly represented in 3 modes, i.e.production output competition based on quota trades, value added competition in producing and marketing, and the niche market competition based on product classification. 展开更多
关键词 tobacco industry competition mode monopoly management over competition quota trade value added
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