I just just read about this study on the successful marketing strategy of Mc Donald's. The researchers used one McDonald's wrapping and one blank wrapping on two identical products. Then they asked the kids to choose the one that tested better...
They did that with burgers, fries and carrots! The results were plain stunning:
That is how you can know that one of your competitive advantage is your brand and that your marketing strategy is working. Why not try this cheap technique with one of your brands or even your one of your competitors?