Practice question #1. Researchers at the University of Utah carried out a study to see if the size of the fork used to eat dinner influences how much food is consumed. The researchers assigned people to one of two groups. One group ate dinner using a small fork, and the other group ate using a large fork. The researchers found that that those who ate with a large fork ate less food on their plate than those who ate with a small fork. An article describing this study was called “Dieters Should Use a Big Fork”, implying cause-and-affect and generalizing this finding to the population of dieters. A. Under what circumstances would it be reasonable to conclude a cause-and-effect relationship between fork size and amount eaten? B. Under what circumstances would it be reasonable to generalize this finding to the population of dieters? Why is it often NOT appropriate to generalize the results of experiments to a wider population?
Practice question #1. Researchers at the University of Utah carried out a study to see if the size of the fork used to eat dinner influences how much food is consumed. The researchers assigned people to one of two groups. One group ate dinner using a small fork, and the other group ate using a large fork. The researchers found that that
those who ate with a large fork ate less food on their plate than those who ate with a small fork. An article
describing this study was called “Dieters Should Use a Big Fork”, implying cause-and-affect and
generalizing this finding to the population of dieters.
A. Under what circumstances would it be reasonable to conclude a cause-and-effect relationship between fork size and amount eaten?
B. Under what circumstances would it be reasonable to generalize this finding to the population of dieters? Why is it often NOT appropriate to generalize the results of experiments to a wider population?
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