"Preference change" refers to a situation where someone's likes or choices shift or alter over time. It means that a person's personal taste or desire for something has transformed, resulting in a different preference.
Sentences with «preference change»
Children's food preferences change over time, and they generally respond negatively to new foods. (babycenter.com)
An expanding array of rewards options Rewards are evolving, too, as consumer preferences change. (creditcards.com)