Medical errors are common in hospitals throughout the world. One possible causal
ID: 3270336 • Letter: M
Question
Medical errors are common in hospitals throughout the world. One possible causal factor is the long work hours of hospital personnel. In a pilot study investigating this issue, medical residents were encouraged to sleep 6-8 hours per night for a 3-week period instead of their usual irregular sleep schedule. The researcher expected, given previous data, that there would be one medical error per resident per day on their usual irregular schedule.
Question 1
What test can be used to test the hypothesis that an increase in amount of sleep will change the number of medical errors per day?
Explanation / Answer
Solution:-
t - Paired difference test can be used to test the hypothesis that an increase in amount of sleep will change the number of medical errors per day.
In this situation we will have two type of data, one before data (usual irregular sleep schedule) and another would be After data (increase in amount of sleep).