Sting in the tail Ashby Plant is one of a number of psychologists who seized on Obama's candidacy to test hypotheses about the power of role models
出自-2010年6月閱讀原文
However, the "screen time" hypothesis, advanced by researchers such as Jean Twenge, is that electronic devices and excessive time spent online may have reversed these trends in recent years, causing problems for young people's psychological health.
2019年12月六級真題（第一套）閱讀 Section B
This last finding would appear to contradict another popular hypothesis that it is our burdening of students with assignment that is causing all the problems.