社交网站是人们与家人和朋友保持联系的平台,按说“多多益善”。但美国一项研究显示,使用社交网站的时间越长,人的心情会越差。密歇根大学研究人员找来82名大学生志愿者进行这项研究。研究人员说,之所以选择大学生,是因为他们使用社交网站的频率较高。研究人员监控这些大学生的社交网络使用状况,同时每天5次不定时给他们发去手机 A social networking site is a platform for people to stay in touch with their family and friends, according to the statement. But a study in the United States shows that the longer you use social networking sites, the worse your moods are. Researchers at the University of Michigan recruited 82 college volunteers to conduct the study. The researchers said they chose college students because of their higher frequency of using social networking sites. Researchers monitor the social network usage of these undergraduates while sending them cell phones five times a day from time to time