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The study investigates the relationship between swearing and pain tolerance.


Exercise 3: Parsing a news story

Read the article titled Swearing can actually increase pain tolerance
(https://www.sciencedaily.com/releases/2009/07/090713085453.htm) and then answer the
following.

a. The study investigates the relationship between swearing and pain tolerance. Which is the
explanatory variable and which is the response?
Write answer here

b. Is this study based on observation or an experiment? No explanation is needed.
Write answer here
c. How is pain tolerance measured in this study?
Write answer here

d. Read the paragraph titled Flight or Fight Response. The researchers attempt to explain the
relationship between swearing and pain tolerance via a third variable: heart rate. Is this
third variable a confounding variable? Yes or no, and support your answer.
Write yes or no. If yes, explain why heart rate is a confounder, if no explain why not.



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