Randomized Trials: The Ideal Weapon
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0:00 - 0:05- [讲解员] 从因到果之路
黑暗又凶险 -
0:06 - 0:09但我们拥有
计量经济学的强大武器 -
0:10 - 0:15请看,这就是威力最强的
随机分配之剑 -
0:15 - 0:18它直逼因果问题的核心
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0:23 - 0:28我们先来看看我们手中
最强大也最昂贵的武器 -- -
0:28 - 0:30随机试验
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0:30 - 0:31- [学生] 太棒了
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0:31 - 0:35- 每种计量方法的使命
都始于因果问题 -
0:35 - 0:38清晰的问题
才能带来清晰的答案 -
0:39 - 0:43而随机试验能够提供
最清晰的答案 -
0:44 - 0:48我们来看看
随机试验是如何 -
0:48 - 0:51对因果问题给出
格外有说服力的答案的 -
0:52 - 0:56- [Josh] 正如一把精心打磨的宝剑
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0:56 - 0:58随机试验直指因果问题的核心
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0:58 - 1:01它能用来创造
深具说服力的同类比较 -
1:01 - 1:04但就像其他精心制造的武器一样
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1:04 - 1:07随机试验十分昂贵
运用起来耗时也很久 -
1:08 - 1:12- 随机试验起源于医学研究
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1:12 - 1:16当时被称为随机化临床试验
简称 RCT -
1:17 - 1:21美国食品药品监督管理局规定
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1:21 - 1:25制药厂必须证明
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1:25 - 1:26新药或新疗法的安全性和有效性
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1:27 - 1:30他们的做法就是
开展一系列 RCT -
1:30 - 1:35所以我们说随机试验测量的是
“治疗”效果 -
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- Title:
- Randomized Trials: The Ideal Weapon
- Description:
-
- Video Language:
- English
- Team:
- Marginal Revolution University
- Project:
- Mastering Econometrics
- Duration:
- 10:01
Jing Peng edited Chinese, Simplified subtitles for Randomized Trials: The Ideal Weapon | ||
Jing Peng edited Chinese, Simplified subtitles for Randomized Trials: The Ideal Weapon | ||
Yanning Jin edited Chinese, Simplified subtitles for Randomized Trials: The Ideal Weapon | ||
Yanning Jin edited Chinese, Simplified subtitles for Randomized Trials: The Ideal Weapon | ||
Yanning Jin edited Chinese, Simplified subtitles for Randomized Trials: The Ideal Weapon | ||
Yanning Jin edited Chinese, Simplified subtitles for Randomized Trials: The Ideal Weapon | ||
Yanning Jin edited Chinese, Simplified subtitles for Randomized Trials: The Ideal Weapon | ||
Yanning Jin edited Chinese, Simplified subtitles for Randomized Trials: The Ideal Weapon |