His experiment worked by showing volunteers pairs of photographs containing one or more objects from the five mental categories in question.

在实验中他给每个志愿者一对图片，其中包含了一个或多个属于那五种心理范畴的物体。

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From various mental demands in product design, this article discussed rationale and practice method of psychological experiment and the application of experimental data.

从产品设计中的各种心理需求出发，探讨了心理学实验的理论基础和实践方法，以及基于实验数据的设计应用。

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There is no disease, bodily or mental, which adoption of vegetable diet and pure water has not infallibly mitigated, wherever the experiment has been fairly tried.

任何确实的实验都说明，任何一种生理或心理的疾病都能靠吃素和喝纯水而减轻病情。

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Anyone who is skeptical on this point should do the following mental experiment: if I promised to pay 89 percent of the cost of your groceries, would what you buy be different?

FORBES: The Cost of Health Care: 1958 vs. 2012

By comparison, last winter's mental experiment was a breeze: I spent hours in a mesmerized state watching Bobby Clampett swing in super slow motion, on his "Impact Zone: Personal Golf Mastery System" DVD.

WSJ: The Punishment of Winter Workouts | Golf Journal by John Paul Newport

The initial goal of the experiment was to identify the mental processes that allowed some people to delay gratification while others simply surrendered.

NEWYORKER: Don��t!