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

 - false dichotomy: an argument that presents only two choices when more options exist
 - appeal to nature: the assumption that natural things are always good
The text argues that Megan doesn't have school spirit, because she doesn't go to football games. However, there may be a number of reasons why Megan doesn't go to football games. This illustrates a type of logical fallacy known as a false dichotomy.