Which logical fallacy is used in the text?
Stacy has no school spirit—she never comes to any of our football games.

 - guilt by association: a negative association intended to discredit someone or something
 - false dichotomy: an argument that presents only two choices when more options exist
The text argues that Stacy doesn't have school spirit, because she doesn't go to football games. However, there may be a number of reasons why Stacy doesn't go to football games. This illustrates a type of logical fallacy known as a false dichotomy.