Once you have a solid design concept based on qualitative user research and the models that research feeds, your usability testing will become an even more efficient tool for judging the effectiveness of design choices you have made.

• 基于定性数据研究和研究支持的模型，一旦有了稳定的设计想法，要判断你所做出的设计选择是否有效，可用性测试会是一个很有效的工具。