The staff on a nursing unit notes that patient satisfaction varies from month to month
They plot the degree of patient satisfaction each month for 1 year to determine when the periods of greatest dissatisfaction are occurring. The staff uses which type of graph?
a. Time plot
b. Pareto chart
c. Flowchart
d. Cause-and-effect diagram
ANS: A
Correct: A run plot, or time plot, graphs data in time order to identify any changes that occur over time.
Incorrect:
b. A Pareto chart is used in quality improvement to display data so that a few problems that cause the greatest variance are easily depicted and facilitates improvement that focuses on those few.
c. A flowchart provides pictures of the sequence of steps in a process.
d. A cause-and-effect diagram lists potential causes, arranged by categories, to show their potential impact on a problem. It is not arranged by time.
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