Invisible courses are informal and unconscious learning experiences that are not explicitly specified in school-planned courses. According to the above definitions, Which of the following are not included in the hidden curriculum:. ["colleges and universities organize students to participate in two-day military training to cultivate and exercise students' willpower.", 'when children are learning teaching courses, they have developed an interest in learning and teaching.', 'a university has set up a university culture festival to let students know the school motto and style of study.', 'Teachers and students participate in extracurricular activities together to establish an equal and harmonious teacher-student relationship.']