 It would appear that mother needs help in her parenting, and that she tends to mostly use yelling and anger as a way, and tends to repeat herself a lot, and does not have a strategy for how to follow through and to deal with defiant behavior. 
It would appear that mother needs help in her parenting , and that she tends to mostly use yelling and anger as a way , and tends to repeat herself a lot , and does not have a strategy for how to follow through and to deal with defiant behavior .