Children who are not nominated by their peers either as being liked or as being disliked are categorized as

stereotyped unwanted and discarded

Explanation:

There are different types, it all depends on the bully degree they were harassed with:

They usually are classified as

invisible

unwanted

discarded

geeks

techie kids

dirt bags,etc.

answer; rational if melanie values sleep more highly than the benefits she expects to receive from attending the class;