参与调查的人观察一些显示在电脑屏幕上的常见物的图片，比如一只杯子或一支钢笔。

Participants watched images of common objects, such as a mug or pen, appear on a computer screen.

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选择钢笔工具，并像下面的图片路径。

Select the pen tool and make a path like the image below.

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选择钢笔工具，并像下面的图片路径。

Select the pen tool and make a path like the image below.

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