How did the character Mae Mobley Leefolt in "The Help" by Kathryn Stockett develop from the beginning of the book to the end of the book?

I must admit, the character of Mae Mobley and the way that
she is ignored by her mother was one of the more disturbing parts of this excellent
story. Mae Mobley's saviour is her black maid, Aibileen, who does what she can to
counteract the obvious distaste that her mother has for her daughter. This is shown
early on in the book, when Aibileen hears Mae Mobley repeating to herself words that her
mother has obviously said to her: "Mae Mobley bad." Aibileen,
shocked by this, does her best to instill Mae Mobley with a sense of self-esteem and her
own goodness, telling her these things over and over again. Also, she does her best to
try and make sure that Mae Mobley does not grow up with the same kind of racially
superior attitudes that her mother and father have. It is at the end of the story, when
Aibileen is fired thanks to Miss Hilly's intervention, that she is able to see the
fruits of her work in terms of the development of Mae Mobley's character. Note what
Aibileen tells us:

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I look deep into her rich brown eyes and she
look into mine. Law, she got old-soul eyes, like she done lived a thousand years. And I
swear I see, down inside, the woman she gone grow up to be. A flash from the future. She
is tall and straight. She is proud. She got a better haircut. And she is remembering the
words I put in her head. Remmebering as a full-grown
woman.

Aibileen thus sees a
kind of future Mae Mobley who has learnt to love herself and managed to grow up with
self-respect and dignity, in spite of her mother. She has changed from a baby who is
convinced that she is "bad" to a child who has self-respect, thanks to the work of her
maid.