Foralongtime,thetraditionalmethodofidentifyingliarswast...

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For a long time,the traditional method of identifying liars was to watch their body language, including facial expressions.

What if the person appears to be nervous?Is the person unable to look me in the eye?Is he or she look around the room?What about other nervous movements,such as fidgeting（坐立不安）or shifting from side to side?Many people-from parents to police officers and airport security personnel-depend on this does a person’s body and face reveal the truth?Not according to a new study.

Talking,it seems,is the best way to smoke out a is what researchers in the United Kingdom found out r investigation took place at one place where lying can get you into big trouble-an airport.

The researchers asked volunteers to pretend they were real passengers and then lie to airport security agents. Some of the agents used spoke conversation-based methods to question these make-believe rs depended instead on the person’s body language,like lack of eye contact and showing signs of agents talking with the passengers were 20 times more likely to catch the study found that these conversation-based techniques can help you recognize when a person is lying to many methods,this conversation method has a is called Controlled Cognitive Engagement or CCE,for short.

The British government partly financed this American Psychological (APA) published the findings. Body language cannot be g body language and facial expressions to catch someone in a lie is really hard. And it only works,seemingly,by chance.

Thomas Ormerod is the head of the School of Psychology at the University of Sussex in England. On the APA website,he reported that the “suspicious-signs method”-or using body language-“almost completely fails” in finding lies.

are the questions in Paragraph 2 intended to do?

traditional ways to recognize a liar.           ch a survey among readers.

the writer’s puzzlement.                    te the readers to think twice.

should volunteers in the investigation do?

er questions only using words.              end to be airport security agents.

as passengers as researchers required.                    unicate with researchers by talking.

h would be the best way to find out a liar according to the study?

ing him in the eye.                                         ng open-ended questions.

ng use of body language.                               rving his facial expression.

will the author continue to talk about based on the passage?

nderstandings of catching a liar.                  “suspicious-signs method”.     

the CCE method works.                             new concept of CCE.

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