Summary Experimental design is a process by which a researcher takes a hypothesis, designs an experiment to test for the hypothesis, collects the data from the experiment, analyzes it and draws conclusions about the results. It is used to determine cause and effect and is used in all forms of science from physics and biology to psychology and sociology. In the documentary film SuperSize Me, Morgan Spurlock's objective is to see what happens to his health after thirty days of eating only food from McDonald's.
Parts of Experiment Spurlock's independent variable is the change in his eating habits to be exclusive to McDonald's items. As a second independent variable, Spurlock reduces the amount of walking he does from 4-5 miles a day
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Fast food becomes part of a greater imbalance in a larger societal illness. Students are not educated about good nutrition and physical education and recess have been reduced or completely cut in the wake of the No Child Left Behind act. School cafeterias are providing food that is not healthier than what the kids would get at a fast food restaurant. This evaluation is Triangulation of Theory. One example of Spurlock's use of Triangulation of Method is his presentation of facts on how much fast food people eat in America. Quantitatively he states that 1 in 4 Americans eat fast food once per week and that 77% of McDonald's customers eat there once per week while another 22% of customers eat there 2-3 times per week. Qualitatively, he conducts random interviews with people on the street about their fast food habits. The details of the interviews he presents to us are very similar to the numbers provided. Spurlock's Triangulation of Measures points out the influence that corporate spending has on the healthy eating habits of kids. In one measurement he shows that kids see 10,000 ads on TV in a year- 95% of which are for fast food, soft drinks, sugared cereals and candy. On the other hand, parents have about 1,000 chances per year to show their kids how to eat healthier at the dinner table. The next measurement of corporate influence is the advertising budgets of food companies. The direct media ad budgets in 2001 were 1.4 billion