She decides to purchase the beats brand because she believes it’s a higher quality set. In this case, alicia has been influenced by the Informative effect of price.
Consumers tend to use the information about the price of a product to ascertain its Quality. The is basically because the perception of quality is usually indicated by price.
Here, Alicia buying the beats brand even thogh it costs higher than the skullcandy model shows that she is using the information effect of price making her to perceive the beats brand as having higher quality.
Learn more on Information effect of price: https://brainly.com/question/7930369