Providing consumers the opportunity to experience a product on a limited basis is a marketing technique increasingly deployed through distributing trial-sized goods in subscription boxes or by limiting access to intangible offerings like streaming services and apps. Consumers write reviews after limited consumption experiences, and are enticed by brands to do so. The present research shows that limited consumption experiences motivate consumers to spread positive word of mouth, because the sense of closure provided by a limited consumption experience causes consumers to feel more certain of their attitudes.

中文翻译：

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有限的消费经历如何影响口碑

通过在订阅盒中分发试用尺寸的商品或通过限制对无形产品（例如流服务和应用程序）的访问，为消费者提供了在有限的基础上体验产品的机会，这是一种越来越广泛地部署的营销技术。消费者在有限的消费经历后撰写评论，并受到品牌的诱惑。本研究表明，有限的消费体验会促使消费者传播积极的口口相传，因为有限的消费体验所带来的封闭感会使消费者对自己的态度更加确定。