Children who talk back usually do have one thing in common: They're trying to separate from their parents and exercise control over their lives. (Google)
Keep in mind that when kids talk back, something else is going on underneath. The goal is to help them express it constructively. (Google)
Kids are much more likely to stop talking back if they see it's ineffective in getting our attention. So refuse to continue the conversation until your child stops talking back - and be sure to do it every time. (Google)