The effects of caffeine on the Cardiovascular system using a between subjects design. 1. Who will be your participants (number, age, gender) 2. How will you determine which participants receive which level/condition of caffeine? 3. How will you manipulate caffeine? Explain what you will do to create 3 conditions/levels of caffeine. (Be sure to keep within realistic means) 4. What psychological measure will you use to measure changes in the cardiovascular system? Describe in 2-3 sentences how you will record and quantify changes on this measure 5. Write a non directional hypothesis about how your participant groups will differ on your measure as a result of your manipulation.