As we have stated previously, usability testing is about watching users interacting with a product. Tasks direct the interactions that you want to see. Therefore, they should cover the focus area of the test, or all important interactions if the whole website is tested.
To make the test more natural, if possible create scenarios or user stories that link the tasks together so participants are performing a logical sequence of activities. If you have scenarios or task analyses from previous research, choose those that relate to your test goals and focus, and use them to guide your task design. If not, create brief scenarios that cover your goals. You can do this from a top-down or bottom-up perspective:
- Top down ...