As I drove my kids to school this morning, my 5th grade son was studying for a Science test today on Controlled Experiments. His experiments had to do with flipping pennies and swinging washers on strings, but I found myself applying his methodology to measuring ROI in marketing and loyalty campaigns. So, I thought it would be helpful if you applied the 5th grade Controlled Experiment methodology to your marketing challenges to see how you are doing.
First, let&rsquo....