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Steven Levitt 针对儿童汽车安全座椅的研究
1,099,238 plays
|
Steven Levitt |
TEDGlobal 2005
• July 2005
Read transcript
Steven Levitt 和大家分享了他对汽车安全座椅的研究数据。这些数据表明在降低儿童的车祸死亡率这方面，汽车安全座椅并不比安全带更有效。不过，在结尾的自由提问时间， 他对公众提出了一个至关重要的警告。
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