计算机辅助词汇完型填空题设计课件

1、计算机辅助词汇完型填空题设计课件计算机辅助词汇完型填空题设计课件主要内容教学中的材料选择文本难度的测量WordNet 简介Cloze Mate 软件设计思路软件演示及启示主要内容教学中的材料选择教学中的材料选择教学需“因材施教”；“因材施教”即“量体裁衣”：Tailored input;Tailored instruction;Tailored assessment;Tailored feedback.教学中的材料选择教学需“因材施教”；教学中的材料选择Tailored input: text difficulty controlTailored assessment:Computer-pro

2、vided choices for cloze test gapsUser-confirmed choices (interactive)Syllabus-based vocabulary controlComputer-generated format教学中的材料选择Tailored input: text d文本难度的测量Readability indicesGunning Fog IndexSmogColeman LiauFlesch Reading EaseThe Lexile Coefficient 文本难度的测量Readability indices文本难度的测量Developed

3、 by MetaMetricsThe Lexile Framework is the most widely adopted reading metric. It measures students reading ability and text difficulty on a common scale.Lexile measures are powerful tools for linking assessment with instruction across the curriculum.文本难度的测量Developed by MetaMetric文本难度的测量Lexile measu

4、res provide a thermometer for measuring students reading abilities that talented educators, involved parents and motivated students use to improve learning. Lexile measures tie day-to-day work in the classroom to critical high-stakes tests. The Lexile Framework offers a “big picture” view of growth

5、of student reading ability from preschool through graduate school.文本难度的测量Lexile measures provide文本难度的测量Unfortunately, a lexile score can range from below 200L (even below 0) for beginning readers to above 1700L for advanced readers. It is not very intelligible to the user.We have developed an algori

6、thm (embedded in a program), which can convert raw lexile scores to standardized lexile scores on the 0-10 scale.文本难度的测量Unfortunately, a lexile文本难度的测量Some pilot studies we have conducted indicate that the standardized lexile scores are not only easier to understand, but also as effective as the raw

7、lexile scores.文本难度的测量Some pilot studies we hWordNet 简介WordNet is a large lexical database of English, in which words are grouped into sets of synonyms called synsets, each expressing a distinct concept. Synsets are interlinked by means of conceptual-semantic and lexical relations.WordNet is a useful

8、 tool for computational linguistics and natural language processing.WordNet 简介WordNet is a large lWordNet 简介WordNet 简介Cloze Mate 软件设计思路工具：WordNetTreeTaggerCloze Mate 软件设计思路工具：Cloze Mate 软件设计思路Cloze中的选项：语义相关干扰项；形式相关干扰项。As the gas is radiated with great force, it _ the rocket in the opposite direction.A. attracts B. leads C. pulls D. pushesImpressive and complex _ it may appear, the rocket is a relatively simple device.A. that B. so C. as D. thoughCloze Mate 软件设计思路Cloze中的选项：Cloze Mate 软件设计思路语义相关干扰项：利用WordNet中的语义查询，找到语义相关词的若干个备选词；根据词性提供备选词的适当形式。形式相关干扰项：利用词性标注工具对文本进行标