药品，心理学，还有美容产业，列举几项，为了要显示它们产品或疗法的效果常常会用到证据。

Medicine, psychology, and the beauty industry, to name a few, often refer to testimonials in an effort to show the efficacy of their products or treatments.

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应用心理学领域的例子有：犯罪心理学、人类工程学和产业与组织心理学。

Examples of applied areas of psychology include forensic psychology, ergonomics and industrial-organizational psychology.

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