Which of the Following Is the Most Important Difference Between

Multiple Choice

Which of the following is the most important difference between observing users in a usability evaluation and observing them in a usability test?

A) In an evaluation, the users pick the tasks they do. In a test, users are assigned tasks to do.
B) In an evaluation, the users pick the location. In a test, users must go wherever the usability team is.
C) In an evaluation, user feedback is not very important. In a test, user feedback becomes very important.
D) There is no important difference between observing users in an evaluation and observing them in a test.