Soft music and dim lighting in a restaurant generally lead consumers to slow down, stay in the restaurant for a longer time, and buy more drinks and dessert. in this case, the tendency of the diners to spend more time and money can be best explained by the

Behavioral influence decision-making perspective.

Explanation:

This behavioral influence suggests that costumers react to enviromental pressures. In this case, a person is more likely to stay at a place with soft music and dim lights given that they might feel relaxed or feel that they are in a place which allows to talk and spend their time.

They are, therefore, being influenced by the enviroment in their decision-making. If the place were to have loud music, they might react differently because it's the enviroment the one that guides their decision making as costumers, in this particular case.

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