"There have been some studies showing that if you give pregnant women 4,000 units of vitamin D a day, their rates of complications in pregnancy are much decreased."

VOA: standard.2010.05.28

And so, I have a film clip here of two very nice studies showing babies' ignorant--sorry, young children's ignorance of other people.

我给大家放两个优秀实验的电影片段,这个影片表明了幼儿对他人的无知

耶鲁公开课 - 心理学导论课程节选

And there are some studies showing that people who know themselves, who study themselves, who are self-reflective, display less egregious behavior, less immoral behavior toward others.

有些研究表明了解自己的人，研究自己的人，反思自己的人，对别人做出过分的行为，不道德的行为会相对较少。

哈佛公开课 - 幸福课课程节选

So why is he showing up now? Peter DeShazo of the Center for Strategic and International Studies in Washington thinks he knows why.

VOA: standard.2010.07.13

A lot of the demonstrations have to do with intelligence so, for example, there's actually been studies showing that people tend to overestimate the intelligence of professors.

而很多现象都跟智力有关，例如，有研究表明,人们往往会高估教授的智力。

耶鲁公开课 - 心理学导论课程节选