Looking for Answers about Little Brown & Company Arthur Chapter Book #12: Arthur and the Popularity Test?

When the gang takes a popularity test in a magazine for teenage girls, something strange happens to Fern and Sue Ellen. Fern usually quiet, suddenly turns aggressive, while Sue Ellen, typically good at everything, starts to falter in al she attempts. Will the changes make the girls more likeable, as they think? Or will their friends long for the old Fern and Sue Ellen to return? In chapter-book format, for children who are ready to read on their own, this thought-provoking tale will surely be a hit among Arthur fans.