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第一段
1 .Listen to a conversation between a student and her sociology professor.
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第二段
1 .I'm glad you got my message and were able to make it.
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2 .Where are the other members of your group? Tom and Jane?
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第三段
1 .They are actually at the library.
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2 .They have a biology lab assignment that's due later this afternoon. So I'm here to represent the whole group.
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第四段
1 .But...um...when we got your e-mail message about being worried about our research project, we were a little confused, we thought you were excited about our idea for the project.
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第五段
1 .Well, I think it's a great research topic, but when I looked closely at your plan for accomplishing the research, I realized that your group was probably asking for some trouble.
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第六段
1 .What do you mean? I thought that, you know, by monitoring students studying in the library we could really get a good understanding of people's study habits and stuff.
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第七段
1 .The thing is, I think you might have a problem because of the Hawthorne Effect.
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第八段
1 .The Hawthorne Effect?
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第九段
1 .The Hawthorne effect is a technical term for when researchers...uh...more or less forget about a specific variable, the variable of the researchers themselves.
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第十段
1 .Now, the students in the library, they are going to know that you are observing them, right? So you have to consider the effect your very presence will have on the people you are observing.
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第十一段
1 .But...so you think... I mean it's not like our observations would be a secret. The students would know exactly what we would be doing.
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2 .I mean, we'd put up a sign right outside the library.
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第十二段
1 .Yes, but that's just it.
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2 .When people know they are being watched, they act differently.
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3 .Let me explain how the Hawthorne effect got its name and...well...you,ll get the idea.
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第十三段
1 .See, there was a manufacturing facility called the Hawthorne plant.
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2 .And researchers conducted some experiments there to see what conditions make workers the most productive.
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第十四段
1 .What sort of conditions?
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第十五段
1 .Well, one thing they experimented with was the lights. Were workers more productive with bright lights or dim lights? Well, here is the thing, whatever the researchers did, the workers' productivity increased.
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2 .When the lighting was improved , productivity went up.
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3 .When the lighting was dimmed , productivity went up again.
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第十六段
1 .That doesn't make a lot of sense.
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第十七段
1 .Exactly! So initially the experiment was considered a failure.
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2 .But then the researchers realized that their own presence had affected the workers' productivity.
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3 .The workers knew that the researchers were watching them , and with so much attention on them the workers felt compelled to work harder.
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第十八段
1 .Oh, I guess that really could bean issue with my group's research.
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第一十九段
1 .Yes, but I don't want to send you all back to square one.
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2 .So how about you set up a meeting with your group members and discuss this. Then we can meet again and go over your ideas.
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3 .And I think that we should be able to figure out a way to get a round the problem.
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