Suppose that you have been hired by the university administration to design a randomized experimental study to assess the following hypothesis among undergraduate students: Attending weekly yoga classes leads to better performance on exams.Be sure that your study design addresses the following elements:

• Refine the study hypothesis so that it is as specific as possible and contains all elements of a “good” hypothesis. Remember that the design, conduct, and analysis of the study flows from the hypothesis.
• How will you find and recruit participants?
  • Are there any exclusion criteria that you would apply?
• How will you define the exposure of interest?
• How will you assign exposure?  What will the unexposed condition be?
• How and how often will you collect information on exam performance?
• What steps will you take to maximize and assess compliance?
• What are the ethical concerns in this study?
• What other information would you like to know to design this study?
• Discuss how you would conduct the data analysis and design shell tables to describe the characteristics of the participants and the main study results.