我们可以在人物角色上对设计方案进行测试，就像在正式过程中针对真实用户一样。
Design choices can be tested on a persona in the same way that they can be shown to a real user during the formative process.
“五个为什么”方法可以作为一个较大过程的一个正式部分，或者帮助使用者找到根本原因，以待在正式过程中检验。
The five whys can be utilized as a formal part of a larger process or by the user to determine the root cause, which will be examined in the formal process.
过程中是否有一个正式的经理？
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