Chan says it is likely this death toll is greatly underestimated.

VOA: standard.2009.12.29

It's possible that due to the methodological limitations of Piaget, he systematically underestimated what children and babies know.

皮亚杰很可能由于研究方法上的局限,而系统地低估了婴幼儿的理解能力

耶鲁公开课 - 心理学导论课程节选

By the way, for the Grande Salad, how many of you underestimated the calories in that?

对了,关于大份沙拉,你们中多少人低估了热量

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The report said military intelligence underestimated the violent response.

VOA: standard.2010.07.12

And what they found was they underestimated by 200-600 calories, the calories in these foods.

结果,营养学家们把这些食物的卡路里,低估了200到600卡

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

"What I think some of these terrorist group may have underestimated is that we in the west or in Russia,in this case, are perhaps not quite as soft as they might have first believed."

VOA: standard.2010.03.30

Again, you can't even correct for it because, let's just say, the whole population overestimated calories and things were underestimated by 30% percent, well then you just put in that correction and you know what you got.

你甚至无法纠正这个误差,因为,比方说,整个总体人群都高估了卡路里,或者都低估了30%的卡路里,研究人员纠正误差才能得到正确数据

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So this is the percent error and what you see here is that if the number is below the zero line it means people underestimated the calories, and the bars that go above means people overestimated the calories.

这是百分比误差,你们看,如果数字低于零,这表示人们低估了卡路里,高于零表示人们高估了卡路里

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选