2016届高考（北师大版）英语一轮复习：第一部分模块复习方略选修七 20_高考复习指南

2016届高考（北师大版）英语一轮复习：第一部分模块复习方略选修七 20

　　But what causes distraction(分散注意力)？Does the mere possibility that a phone call or an email will soon arrive drain your brain power？And does distraction matter？Do interruptions make us dumber？Quite a bit.：if you do two things at once，both suffer.，and asked Alessandro Acquisti，a professor of information technology，and the psychologist Eyal Peer at Carnegie Mellon to

　　is interrupted.

　　To assess the influence of an expected cellphone call or email，we had subjects sit in a lab and perform a standard cognitive skill test.In the experiment，136 subjects were asked to read a short passage and answer questions about it.There were three groups of subjects.One was told to merely complete the test.The other two were told they might be contacted for further instruction at any moment via instant messages.

　　During an initial test，the second and third groups were interrupted twice.Then a second test was given，but this time，only the second group was interrupted.The third group awaited an interruption that never eaine.Let’s call the three groups Control，Interrupted and On Hiigh Alert(警惕的)．istakes，but the resuhs were truly poor，especially for those who thought of themselves as multitaskers.During the first test，members of the Interrupted group answered correctly 20 percent less than members of the Control group.，the results were not as bad.This time，part of the group was told they would be interrupted again，but they were actually left alone to focus on the questions.，the Interrupted group underperformed the Control group，but this time they closed the gap greatly，to a respectable 14 percent.Dr.Peer said this suggested that people who experience an interruption，and expect another，can learn to improve the way that they deal with it.