Jenny heard that aerosol cans harm the environment, so she decided to stop

using them. This is an example of what?

Answer: Informational influence

Explanation: Informational influence can be simply defined as a phenomenon where an individual conforms with someone else's ideas after being exposed to evidence or knowledge about the reality which then prompt or influence them to change the way they behave or their lifestyle.

Jenny came across the information or was exposed to the information about how aerosol cans can cause harm to the environment, this knowledge she came across later influences her to stop using the aerosol cans. This scenario is a good illustration of informational influence.