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How does water affect how far distance runners can run compared to Gatorade?

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The experimental units in this project are the distance runners participating in a marathon, aged 18-25, and are athletic. (50 total, 25 water vs. 25 Gatorade)

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The method to select was to select runners in a marathon.

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The treatments are bottles of Gatorade vs. Bottled Water.

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The explanatory variable for this study is what type of treatment they received.

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The response variable for this study is how far they ran after receiving the treatment.

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Some lurking variables for the study would be how dehydrated they were, how much sleep they had gotten the night before. This will also be randomized by pulling random numbers to assign people to either water or Gatorade.

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In this study the control is the water, and a placebo for this study is a flavored drink that looks like Gatorade but without the electrolytes.

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In this study, blind or double blind isn't possible because you can't run blind-folded and you can see and taste the difference between water and Gatorade.

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The crossover design would be completely beneficial to see the difference on how the Gatorade or water affects the runners.

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This experiment's sample size was 50 runners, and the margin of error comes to 14%, which is good enough for this experiment because it still proves which drink is better.

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This can be replicated by making sure you take all the data from the cross over experiments and then take another fifty people and do it again.

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It was a clear victory for Gatorade, as all of the marathon runners that drank it performed better than the ones that drank the water.

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This study shows that it is indeed of statistical significance.

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Salary: $50,000
Payment of experimental units: $50
Materials: $3,000
extra cost: $7,000

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One person from the study quoted "Yeah, I'm happy with how I did. I definitely felt I had more energy and strength than I do when i drink water!"

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We made it possible to discover that Gatorade helped athletes flourish. We promoted Gatorade more and gained income from athletes willing to take the next step to perform.