I haven't read this book, so I don't know anything about it but I do know a site that can help you with this worksheet!
<span>http://www.readingrockets.org/helping/questions</span>
If the story you are referring to is "The Great Gatsby", it might be said that Nick learned that she is a dishonest woman because she cheated to win the golf tournament. She might be considered a compulsive liar and she seemed to assume that everyone was like her,