Use the Following to Answer Questions

question 95

Multiple Choice

Use the following to answer questions
Study Description: Dance Dance Revolution
Unnithan, Houser, and Fernhall (2006) were interested in whether playing the game Dance Dance Revolution (DDR) affected the heart rate of overweight adolescents differently than it affected non-overweight adolescents.Twenty-two adolescents, 10 classified as overweight and 12 as not overweight, played DDR for 12 minutes, while the researchers measured each participant's heart rate.On average, the researchers found no difference between the heart rate of the two groups.
-(Study Description: Dance Dance Revolution) Which statement is the research hypothesis for this study?

• A) There will be no difference in the heart rates of the two groups after both groups play Dance Dance Revolution.
• B) The heart rate of the overweight group will be faster than that of the non-overweight group after both groups play Dance Dance Revolution.
• C) The heart rate of the non-overweight group will be faster that of the overweight group after both groups play Dance Dance Revolution.
• D) The heart rates of the overweight group and the non-overweight group will differ after both groups play Dance Dance Revolution.

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