Exactly. It helps if it's the father who does the disciplining and not always mom. Children are MUCH more apt to listen to dad than their mother, who is probably always telling them what to do and not to do. We get tuned out.
My kids listen to their mother, who is famously easy to get along with. They live in dread of not meeting her expectations. The slightest expression of sad disappointment from her is enough to cause them exquisite anguish. She's amazing.