There was the failed single-sex experiment in California, where six school districts used generous state grants to set up separate boys' and girls' academics in the late 1990s.

上世纪90年代末，加州有6个学区利用大量州政府拨款为男女学生分开设立了高校，但这一单性教学实验失败了。

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Three and six weeks into the experiment the participants' recollection of these letters, as well as their rapidity in distinguishing right and reversed letters, were tested.

试验中第三个星期与第六个星期时，测试了参与者对这些字母的回忆以及他们辨认正确及错误字母的快慢程度。

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Many of the subjects felt a deep attraction for their partner after the experiment, and two even ended up getting married six months later.

很多被试在实验结束后感受到了他们各自搭档的巨大吸引力，甚至有两个人在结束后的六个月走进了婚姻殿堂。

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"This experiment is unique because six people will be isolated for a long period of time and will work autonomously."

VOA: standard.2010.06.02

As there are limits to the tolerance of people who had to get on with their everyday lives at the same time as worrying about where to put their rubbish, how to light their street and look after an elderly neighbour, and because there are limits to BBC filming budgets, this experiment lasted just six weeks.

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After the six week experiment was over, I conducted the same eye chart test and recorded the results.

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Across the Atlantic, in the last year of the second world war, 36 volunteers took part in an experiment in Minnesota involving six months of closely observed near-starvation.

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