In the study, Berns and company asked thirty-two volunteer subjects to participate in a test of perception.

研究过程中，Berns博士和同伴要求32位志愿受试者进行一项感知测验。

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French psychologist Zi Fagafaga Nick once made an experiment: he will volunteer subjects were divided into two groups, let them to accomplish 20 tasks.

法国心理学家齐加尼克曾作过一个实验：他将自愿受试者分为两组，让他们去完成20项工作。

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The researchers recruited 16 healthy volunteer subjects for the study. They were not tobacco users and were not allowed to take any pharmaceuticals for two weeks.

研究人员们为这项研究招募了16个健康的志愿者。他们不是烟草使用者，并且在两周内不允许服用任何药物。

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She gets help in those subjects from Shirley Mickel, a sixty-two-year-old-volunteer.

VOA: special.2010.07.16

It has gathered a group of volunteer experts on a variety of subjects and has created a system to put people in touch with knowledge seekers in those areas.

FORBES: The Surprise Idea!