Halo effect, also known as prejudice effect, refers to that the observer makes a biased (positive or negative) evaluation of a person according to the characteristics of that person, and extends this evaluation to other aspects.
not halo effect?
Xiao Yang's family bought a Haier refrigerator and felt very good. After that, as long as they bought electrical appliances, such as washing machines and air conditioners, they all bought the brand of Haier.