answer these two questions : 1 . why are brand marketers concerned with stimulus discrimination ? 2. individuals react to other similar stimuli in much the same way as they responded to and original stimulus ; what is this phenomenon? How can marketers use it? 1 . why are brand marketers concerned with stimulus discrimination ? 2. individuals react to other similar stimuli in much the same way as they responded to and original stimulus ; what is this phenomenon? How can marketers use it?.