For each relationship (conclusions from one or more studies), ...

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For each relationship (conclusions from one or more studies), define what the response and explanatory variables are. Drinking as little as two cups of coffee before exercising limits the blood flow to the heart. An experiment with 18 young adults showed that when the subject remained inactive, the caffeine had very little affect, but after the subject participated in exercise, the caffeine slowed down the blood flow to the heart.

Question 2

For each relationship (conclusions from one or more studies), define what the response and explanatory variables are. Course grades based on student evaluations varied across the various fields. Social science courses generally received higher scores than natural science courses.

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Answer to Question 1

Response: Presence of slowing down of blood flow; Explanatory: Activity of subject (inactive or exercise).

Answer to Question 2

Response: Course grades from the student evaluations; Explanatory: Field of study (social science or natural science).

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Excellent

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