Today on Scope Conditions: college dorms shed light on where group culture comes from and how it molds us. At Harry Potter’s alma mater, each new student is assigned to a House that aligns with their true character. The mystical Sorting Hat takes the courageous ones and sorts them into House Gryffindor, while the studious know-it-alls go to Ravenclaw. The Sorting Hat may be fiction, but it’s actually a lot like life. Much of the social world works this way: whether by assignment or by self-se...