In a user-based usability evaluation, we identify and describe the
tasks that users are asked to solve using the system. Which of the following
characteristic(s) are important for formulating good evaluation tasks? (select
four answers)

3 points

Question

In a user-based usability evaluation, we identify and describe the
tasks that users are asked to solve using the system. Which of the following
characteristic(s) are important for formulating good evaluation tasks? (select
four answers)

3 points

Answer

Tasks should avoid providing detailed descriptions.

Answer

Tasks may take a long time to complete, thus giving users more opportunities to demonstrate errors and contribute additional data.

Answer

Tasks should include a description of the goal of completing the task

Answer

Tasks should have a degree of ambiguity to encourage users to generate novel ideas for system features.

Answer

Tasks should be measurable, allowing for the collection of quantitative data

Answer

Tasks should provide the user with motivation for completing the task

Answer

Tasks, particularly in a laboratory setting, should avoid offering contextual information.

Answer

Tasks should not be ambigious.

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In a user-based usability evaluation, we identify and describe the tasks...

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