Why are some children more challenging than others?

Why are some children more challenging than others?

In a two to three page paper, consider the above question. Be sure to address the following:
Identify and describe three risk factors which influence behavior (may include considerations of brain development).
Discuss how each factor influences behavior.
Analyze strategies teachers may use to support the process of changing or replacing behaviors.
Your paper must be two to three pages in length (double-spaced, not including title and reference pages) and utilize APA formatting.