The document describes 6 different student cases in a course. Case 1 involves a student who only had 1 exam for the entire course, often cut class, and got stressed at the last minute. Case 2 had 4 announced exams but the student was passive and neglected preparing. Case 3 prepared more but still occasionally skipped class. Case 4 had numerous unannounced exams and the student fully participated. Case 5 involved unconscious imitation between students. Case 6 focused on teamwork and collaboration between students.