Jem becomes more mature as he discovers the evil in the world when the hole in the Radley tree is filled and when Tom Robinson is convicted by the jury. Additionally, his respect for his family grows stronger after his father shoots the mad dog and when he and Scout are attacked. Ultimately, thanks to Atticus' determination to help Tom, and the reading Jem is forced to do for Mrs. Dubose, Jem's maturity increases considerably as he learns the true value of courage. As Jem's thoughts change over the course of these events, the way he views life also changes. His innocence is raised and matures first towards his family and then towards the other people in his life. He is influenced by his thoughts and shows his maturity through his actions. Jem's example shows that the events you experience in life will shape the kind of person you become. The more you experiment, the more you will develop, whether it is for the or not