An effective leader is strong and knowledgeable, has a plan of action, cares and connects with her people and keeps an eye on the mission. Her authority is never doubted because she constantly implements systems that work for all and shows commitment and flexibility when needed.
Parents that create an ambience of structure and compromise that enhances responsibility and team work within the family raise kids that are effective and more prepare for adulthood.
Good communication can promote a healthy self-esteem, maturity and responsibility. However, when communication is corrupted by strong negative emotions it can provoke anger, guilt, resentment and even violence or psychological abuse.