Senario: Nursing staff at a local long-term care facility work three 12-hour shi
ID: 3040384 • Letter: S
Question
Senario: Nursing staff at a local long-term care facility work three 12-hour shifts per week, half work during the day and half work during the night shift. Patient handling is the primary source of injuries at the facility. Younger and older workers seem to be most susceptible to injuries, while middle-aged workers are not injured as often. You design a study to assess the effectiveness on worker training to reduce injuries among the staff. Annual injury rate is the outcome of concern that is being measured. You will randomly assign a sample of workers to one of four groups. ·
Group 1 will receive patient handling training. ·
Group 2 will receive training and weekly patient handling tip emails. ·
Group 3 will receive no training but will receive patient handling tip emails. ·
Group 4 will receive nothing.
You assess the annual injury rate before and after the intervention for all groups.
Question:Which of the following would be the BEST addition to the study?
a. Taking multiple before and after measures in a time series design would be a practical way to improve validity
b. Removal of the patient training and emails from the groups receiving those interventions and measuring after the withdrawal
c. Providing the intervention to the control group after the study if the intervention proves to be effective
d. None of the above would improve the study
Explanation / Answer
a. Taking multiple before and after measures in a time series design would be a practical way to improve validity
This would mean that the study i beoming successful and there is no other intervention beyond training and emails which is responsible for this.
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