Abstract :
This Thesis Discussed: The novel of Lucy Gayheart by Willa Cather. The
writer analyzed by using the intrinsic e)ements and
extrinsic element to prove the theme assumption. .Jn
analyzing the theme of the novel of Lucy Gayheart. by
Willa Cather, the writer used library research as
references. Based on the result of research, the writer can
conclude that the neurosis act can be caused by the
environment and it can be known by using behaviorism
approach.