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A study was conducted to examine how physical activity was related to test performance in a...

  1. A study was conducted to examine how physical activity was related to test performance in a Psychology class. 100 students taking Intro Psych were given a short survey about their physical activity patterns (i.e. how much time they spent doing a variety of activities on a typical day). Then they were given their first midterm. The researcher examined the association between time spent in vigorous physical activity and test performance.

  1. What is the exposure?
  2. What is the outcome?
  3. What is the study design (be specific)? ______________________________________
  4. What is the measure of effect (i.e. the statistic that we use to examine the association)?
Math   Statistics-And-Probability   
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Answer #1

What is the exposure? - Here, exposure is duration of physical activity

What is the outcome? - Here, outcome is test performance in a Psychology class

What is the study design (be specific)? 100 students taking Intro Psych were given a short survey about their physical activity patterns (i.e. how much time they spent doing a variety of activities on a typical day) and Then they were given their first midterm. Thus, this is Survey Research Design

What is the measure of effect (i.e. the statistic that we use to examine the association)? - Here, time spent in vigorous physical activity is the measure of effect.

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