爱荷华州立大学（Iowa State University）最近用一个简单的共包括20个问题的测试，总结出“无手机恐惧症”（nomophobia ）的主要特点。 20个问题均测试受访者对iPhone的依赖程度。

A new study from Iowa State University has identified some of the central aspects of nomophobia -- that's "no mobile phone" phobia -- with a handy new 20-question survey measuring iPhone codependence.

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