What is the tactic called when a salesman suggests nearly everyone in the neighborhood is already purchasing the product?

The tactic referred to in this question is known as the "Join the Bandwagon Appeal." This approach plays on the social psychology principle of conformity, where individuals are influenced by the actions and decisions of others. By suggesting that nearly everyone in the neighborhood is already purchasing the product, the salesman aims to create a sense of urgency and social pressure to encourage potential customers to follow suit. This tactic leverages the innate desire of people to belong and to make decisions that align with the majority, thereby increasing the likelihood of a purchase.

In contrast, other tactics mentioned do not align with the scenario presented. For example, the Appeal to Prejudice directly invokes emotional reactions or biases rather than collective behavior. The Appeal to Flattery seeks to make the target feel good about themselves to persuade them, while the Appeal to Ridicule attempts to undermine an opposing view through mockery. These strategies differ fundamentally from the collective trend focus of the "Join the Bandwagon Appeal."