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  5. Causal Inference with R - Regression

Exercise

Should Megan Use Matching Methods With Her Survey?

Megan the exercise freak and health coach believes that eating out at restaurants can be good for people because it motivates them to exercise more the following day. She creates an online survey for whether they ate out at a restaurant the previous Saturday, and whether they spent any time exercising the following Sunday. After several thousand responses, she finds a positive correlation between eating at a restaurant and exercising the following day. Why might why might she want to use matching methods to assess whether there is a causal effect?

Instructions

50 XP

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