So, Case and I did identical questionnaires in Los Angeles and Milwaukee and these are median price expectations.

于是科斯和我在洛杉矶和密尔沃基,做了完全相同的问卷调查,并且调查出了中间价格的期望值

耶鲁公开课 - 金融市场课程节选

And many people rightfully so questioned the veracity, the value of these questionnaires, because it is subjective-- ? are we measuring something real?

很多人置疑问卷的，真实性和价值，因为它是主观的-,我们是在测量真实的东西吗？

哈佛公开课 - 幸福课课程节选

They use food frequency questionnaires, which I mentioned before, surveys, and then biological markers like blood tests of certain things to see how diet is related to health.

研究员还运用食物频率调查表,我之前曾提到过,各类调查以及生物标志物,像是血液检测等手段,来研究饮食与健康之间的关系

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Until recently, most of the research was conducted, was done using questionnaires.

直至最近，多数完成的研究，使用的都是问卷方式。

哈佛公开课 - 幸福课课程节选