Now, this is sort of survey studies.

现在，这是一种调查研究。

Survey studies suggest that fever dreams feature things like feelings of spatial distortion, falling into darkness, or nightmarish creatures.

调查研究表明，发烧梦的特征是空间扭曲、陷入黑暗或噩梦般的生物。

Known as Laugh Labs, a website was left up for a year where 1.5 million participants took part in a survey studying humor.

该网站被称为 “笑实验室”（Laugh Labs），有 150 万名参与者参加了为期一年的幽默调查。

Again, they're survey studies but by and large every study done tends to find a difference in the expected direction, which is that females tend to be--lesbians tend to be much more monogamous than gay men.

同样，它们是调查研究， 但总的来说， 每项研究都倾向于发现预期方向的差异，即女性往往比男同性恋更倾向于一夫一妻制。