Essay
Dr.Hansen believes a person taking Tylenol PM will sleep longer but will be drowsier during the day.One group of subjects took.Tylenol (n=5)for 1 month and reported the number of times he or she felt sleepy.The second group was given a placebo (n=5)and asked to log the number of times they felt sleepy with in a month.Sleepy was defined as the urge to sleep or to engage in micro-sleeps at some point in the day.
a.Is there a significant difference between the 2 groups? (Directional and alpha level was set at .05)
b.What is the nature of the relationship?
c.What is the strength of the relationship based on eta2?
d.Explain why you used an Independent t-test?
Correct Answer:
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a.ANS t=3.77 reject the null the groups ...View Answer
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