Janis is in charge of marketing for a department store sale. during previous sales, she has had success using only radio advertisements to draw customers into the store for a sale. a colleague suggest

Janis is in charge of marketing for a department store sale. during previous sales, she has had success using only radio advertisements to draw customers into the store for a sale. a colleague suggests tv commercials as another approach to marketing. janis is resistant to this change because she knows that the radio advertisements have worked. what form of resistance to change is janis exhibiting?