The research builds on a University of Missouri study published in January. which found that bring separated from your iPhone can have a real psychological and physiological effect, including impaired thinking.

早在今年一月，密苏里州的一所大学发表的研究报告表明，把iPhone从身边拿开会对人们的生理和心理均带来一定影响，甚至使他们不能正常思考。爱荷华州立大学的本次研究即是基于这份报告的成果。

"iPhones are capable of becoming an extension of our selves such that when separated, we experience a lessening of 'self' and a negative physiological state," Russell Clayton, a doctoral candidate and the study's lead author, said in a statement.

本次研究的主要负责人，在读博士罗素•克莱顿(Russell Clayton)声称：“我们已经把iPhone视为身体的延伸，一旦与它分开，我们会觉得'自我'少了一部分，感到生理不适。

To develop the questionnaire, the Iowa researchers interviewed nine undergraduate students about their relationships with their smartphones, identifying four basic dimensions of nomophobia: not being able to communicate, losing connectedness, not being able to access information and giving up convenience. Then, they tested the questionnaire on 301 undergraduate students.

在设计这份问卷前，爱荷华州立大学的研究者就“自己与手机的关系采访了九名本科生，从而总结出“无手机恐惧症的四个主要担忧：不能交流，与世界失去联系，不能获取资讯以及不能享用智能手机带来的便利。随后，共有301名本科生回答了这份调查问卷。

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