Reciprocating influences is a child's behavior is influenced by others and others influence their behavior
law of reciprocity - states the every positive action can get a positive reaction
richard q. bell - focused on mutually interactive effects of the mother and child.
control system theory - parents and children have particular tolerance levels for one another's behavior. when the parents or child's behavior exceeds these tolerance levels, the other reacts in a way that can either exacerbate or mitigate the behavior
robert cairns - idea of bidirectionally doesn't assume that parents and children exercise equal influences over each other