If an assignment was given in class you must to submit it even if it is not posted on this page. Even if an assignment was not posted here, or had not yet been posted when you checked, you are not excused from this obligation.
Assignments are in reverse chronological order, from the most recent back.
The latest assignment is directly below. Scroll down to see earlier ones. You may find that using more than one source is helpful. List your source or sources. Define four of the key roles associated with the CPT approach.