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英语四级

发布时间: 2017年05月11日

英语四级六级阅读天天练(07)

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小编前言:作为四六级考试的重要题型,阅读的练习不可小觑。 小编每日精选《卫报》《时代周刊》等外刊上的精华文章,带你扩大视野,积累词汇,提高阅读速度!

【今日阅读推荐】本篇阅读材料“为什么太长的课程没效率”选自《Time》(原文标题:Why Long Lectures Are Ineffective  2012.10.2)。

Each school day, millions of students move in unison from classroom to classroom where they listen to 50- to 90-minute lectures. Despite there being anywhere from 20 to 300 humans in the room, there is little actual interaction. This model of education is so commonplace that we have accepted it as a given. For centuries, it has been the most economical way to “educate” a large number of students. Today, however, we know about the limitations of the class lecture, so why does it remain the most common format?

In 1996, in a journal called the National Teaching & Learning Forum, two professors from Indiana University — Joan Middendorf and Alan Kalish — described how research on human attention and retention speaks against the value of long lectures. They cited a 1976 study that detailed the ebbs and flows of students’ focus during a typical class period. Breaking the session down minute-by-minute, the study’s authors determined that students needed a three- to five-minute period of settling down, which would be followed by 10 to 18 minutes of optimal focus. Then — no matter how good the teacher or how compelling the subject matter — there would come a lapse. In the vernacular, the students would “lose it.” Attention would eventually return, but in ever briefer packets, falling “to three- or four-minute [spurts] towards the end of a standard lecture,” according to the report. This study focused on college students, and of course it was done before the age of texting and tweeting; presumably, the attention spans of younger people today have become even shorter, or certainly more challenged by distractions.

Middendorf and Kalish also cited a study from 1985 which tested students on their recall of facts contained in a 20-minute presentation. While you might expect that recall of the final section of the presentation would be greatest— the part heard most recently — in fact the result was strikingly opposite. Students remembered far more of what they’d heard at the very beginning of the lecture. By the 17-minute mark, they’d mostly zoned out. Yet these findings — which were quite dramatic, consistent and conclusive, and have never yet been refuted — went largely unapplied in the real world.

Even Mittendorf and Kalish themselves did not take these findings to their natural conclusions. Having established that students’ attention maxed out at around 10 or 17 minutes, they did not question whether hour-long lectures should be the dominant use of class time. Instead, they recommended that teachers insert “change-ups” at various points in their lectures, “to restart the attention clock.” This may have been a pragmatic incremental step, but if attention lasted 10 or 17 minutes while passively listening, it is questionable why valuable time in classrooms with teachers and peers should be devoted to lecture at all.

With the Internet, lectures can in fact be divided up into shorter, sub-17 minute sessions, and be delivered outside the classroom. So what do we do with that class time? Here we can take inspiration from the humanities seminar, where any “information delivery” happens outside the classroom through student reading, allowing class time to be entirely devoted to teacher-moderated discussion. This also happens in many business schools, where students read a case study ahead of time and the teacher leads a conversation about the issues facing the company or executive described in the case. With engineering or science, class time can be used for students to collaboratively tackle more challenging questions or projects. The main point is that when humans get together to learn, we should replace passivity with interactivity.

When we free ourselves from the notion of one person delivering information at the front of a classroom at a set pace, it allows us to completely rethink our assumptions of what a classroom or school can be. We could then consider having multiple teachers in the same room working with students of multiple skill levels and age groups. A bell would no longer need to be rung to artificially stop one subject and to start the next. Ironically, by removing lecture from class time, we can make classrooms more engaging and human.

【重点单词及短语】

in unison 一致地

retention n. 记忆力;滞留

ebbs and flows 起伏;兴衰;涨落

lapse n. 失效;流失

in the vernacular 用白话说

presumably  adv. 推测起来;大概

zone out (使)头昏脑涨;上课开小差

refute v. 反驳;驳斥

Question time:

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1. How long would be students' optimal focus according to the research of the professors from Indiana University?

2. What should a classroom or school be according to the author?

 

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