11. A new, fat free potato chip comes out on the market. A few months later, there are reports that some people get severe stomach cramps 1-4 hours after eating the chips. You must do an experiment to see if the chips cause severe stomach cramps. A group of people volunteer for the study. Describe how you would disign the experiment. Also, should it be blind, double-blind, or neither?
You should give half the volunteers the fat-free potato chips and the other half chips that have been on the market for years and have no problems associated with them. The volunteers then can keep a log (or you could observe them) for the next four hours to see of any stomach cramps occour. This should definately be a double-blind study.