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    China Daily | Updated: 2013-02-05 07:46

    Not a scientific study

    Comment on "Single children 'little emperors'" (China Daily, Jan 28)

    I was shocked to read the article, especially because the study was conducted by four professors from Australia. A scientific survey is based on three factors: sample, test and results. And the sample size of 421 is far from being big enough to represent Beijing's population of 20 million.

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