Answer:
resiprocity
Step-by-step explanation:
Robert Cialdini is a renowned psychologist and researcher at the University of Arizona, in the United States. He made himself known internationally after publishing his book "Influencia. The psychology of persuasion ", in 1984. Robert Caldini proposed 6 principles of persuasion that are still applied today in various areas. Are these:
- Reciprocity
- The principle of scarcity
- The principle of authority
- Commitment and coherence
- Consensus or social proof
- The principle of sympathy