Exam training can be quite boring. Sometimes students just lose the motivation as they are really conscious about the mock test results. Also test-preparation materials can be pretty boring themselves. By asking your students to give a short reflection about a given task their learner autonomy can be awakened. Good to know why they do a certain exercise.
You can set up a poll in Facebook question:
What was this activity good for?
You can add answer options as well of the members can provide those.
