The ranking is based on E-mail surveys of 122,000 students at more than 370 colleges across the country.

本次排名的依据是对全美国370所大学12.2万名学生进行的电子邮件问卷调查。

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You must opt-out of support surveys separately from other communications provided by 21vianet, by contacting support or through thee-mail footer.

您不愿接受调查的，必须另行通过世纪互联提供的其他通讯方式、联系支持部门或通过电子邮件脚注退订。

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Not so easy for an industry that largely still relies on inefficient mail and phone surveys.

FORBES: Why Rating Your Doctor Is Bad For Your Health

Why doesn't CNN run mail-in surveys or call-in surveys to "900" telephone numbers?

CNN: About CNN Polls

Get too many surveys in your e-mail box and you tune out.

FORBES: Magazine Article