The most acceptable performance term for describing effective behavior at the level of valuing is C. initiates.Valuing means that a person not only accepts or complies with a value but also shows a commitment by actively demonstrating it. "Initiates" implies that the person takes proactive steps and shows genuine engagement with the value.In contrast,Complies suggests merely following rules without internal commitment.Gives is vague and doesn’t clearly show personal commitment.Joins implies participation but not necessarily active or genuine commitment.So, initiates best reflects effective behavior at the valuing level.