出声思维是由IBM的克莱顿刘易斯研发，是一种用于收集数据的方法。通过鼓励用户使用产品或服务的同时说出他们自己的想法，对产品或服务的可用性进行评估。

Thinking aloud is method of collecting data which is developed by Clayton Lewis of IBM. It evaluates the usability of word by encouraging a user to think out loud as they use your product or service.