Which of these refers to the degree and nature of interdependence between the power holder and others? visibility substitutability centrality discretion Question 27 Which of the following is a "hard" influence tactic? ingratiation upward appeal persuasion visibility Question 28 2pts Which of the following is correct regarding assertiveness? It refers to the process of gaining support from one or more people with higher authority or expertise. It is an indicator that a person lacks power due to low centraity. It is an attempt to increase liking by, or perceived cimilarity to, some targeted person. It is alsa known as vocal authority..