Answer:
Stimulus generalization
Explanation:
Stimulus generalization defines that it is the process of call up for a reason by giving responses. For example we call dog by using the bell so that dog can come for food.
Therefore according to the given situation, Many store brands use similar packaging and labeling to the more expensive big company. The idea is that in customers, the look-alike kit would evoke a similar reaction that allows them to buy the affordable store brand so this is an example of Stimulus generalization