Henny disapproves of stealing jelly beans from his sister's Easter basket because he thinks his mother will spank him if he does. Henny's thinking best represents a preconventional morality.
Preconvetional Morality talks about the child-like approach between right or wrong, and it consists of two phase which are obedience and punishment. In the problem, since Henny knew he will be punish, he tried to obey and not steal his sister’s Easter basket.