Which of the following theories deal mostly with the initiation stage of relationships? This means they focus on when people are first meeting & getting to know each other. [CHECK all that apply] Group of answer choices Communication Privacy Management (CPM) Relational Control Uncertainty Reduction Theory (URT) Social Penetration Theory (SPT) Relational Dialectics Theory (RDT) Knapp's Relational Stages Expectancy Violations Theory (EVT)