Question

1. each of the following is one of the six ways of influence except... * 1 point

scarcity
blackmail
authority
social proof

Explanation:

The six principles of influence (from Robert Cialdini's work) include Scarcity, Authority, Social Proof, along with Reciprocity, Commitment/Consistency, and Liking. Blackmail is a coercive and unethical tactic, not one of the recognized six ways of influence.

Answer:

B. Blackmail