Final answer:
The task not included in the assessment on user interface design is explaining the concept of journey maps, as this is not mentioned in the provided materials. The included tasks focus on usability rules, design principles, and reasons for usability on the web. Therefore, the correct answer is (d) Explain the concept of journey maps.
Step-by-step explanation:
The purpose of this assessment is to test your understanding of the basic concepts of user interface design. However, the task that is not to be performed in this assessment is the explanation of journey maps, as it is not explicitly mentioned in the provided reference materials.
The tasks that are part of the assessment include identifying usability rules for user interface design, describing interface design principles, and identifying reasons for the importance of usability on internet websites.
These tasks are aligned with the learning objectives that focus on the principles of design, refining the design through testing and evaluation, and understanding the design process in an engineering context.
Therefore, The task that is not to be performed in this assessment is (d) Explain the concept of journey maps.