But Mr Ariely and his colleagues demonstrate a mechanism through which such confounding effects could operate.
但是Ariely先生和他的同事们论证了这类干扰效果得以运行的一套原理。
They also knew that, by working with surveys from three countries, and with such a wide range of ages, they would diversify the data and iron out confounding variables.
他们也明白研究三个国家的调查结果，而且是这么广的年龄跨度，他们能使数据多样化且消除混杂变量。
One of the difficulties of such research is that it isn't really an experiment- it is impossible to control for all of the confounding variables.
这种研究的困难之一是它不全是一项实验它不可能控制各种混杂变量。
One of the difficulties of such research is that it isn't really an experiment- it is impossible to control for all of the confounding variables.
这种研究的困难之一是它不全是一项实验它不可能控制各种混杂变量。
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