Answer:
A) the sleeper effect
Step-by-step explanation:
Natalia decision to opts for a new brand after she reads in a health magazine that the products of this brand cause skin cancer is a scenario of the sleeper effect
Sleeper effect is a effect that occur through human behavior in responses to a persuasive message.
When people are consistently exposed to a certain persuasive speech or message which may be from reading Health magazine such as Natalia did or from other means of advertisement, over time, they start to have a soft spot for the message and start to believe it.