Identify a scientific question that you would like to answer. Design an experiment to answer this question. Be sure to include/identify the hypothesis, control group, experimental group(s), independent variable, and dependent variable. Does your experiment measure qualitative or quantitative data? How can you increase the validity of your research? (Refer back to assignments from week one if you need help remembering some of these terms.)

A scientist observes that colon cancer is rare in Japan but common in the United States. He hypothesizes that this difference is due to differences in diet. Propose an experiment that might be used to test this hypothesis. Discuss the reasoning behind each step of your experiment.