Fan filter effect: refers to the psychological phenomenon that young people automatically filter their shortcomings and over-amplify their advantages when they see the objects they worship. Which of the following are the fan filter effects:. ['Xiao Li loves to watch war dramas. No matter what kind of film, as long as there are guns, guns, and troops in it, he will try to find them and watch them from beginning to end.', 'Five-year-old Xiaogang likes his father very much. In his eyes, his father is an omnipotent and superman.', 'After the news that a famous artist was arrested for taking drugs abroad, fans found a variety of reasons for him on Weibo.', 'A teacher has held several lectures in the "100 lecterns", and his class is always full, full of students from various colleges.']