ISO 9241 mentions three aspects of user-centred design: effectiveness, efficiency, and satisfaction. Which two were most often quoted?

The ISO 9241 standard does not rank the aspects of user-centered design in terms of frequency of citation. However, in many discussions and applications of the standard, effectiveness and efficiency are often emphasized. This is likely because these two aspects can be more easily measured and quanti Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.