description about program evaluation and review techniques of health care services and its impact in health care.

1. Project Evaluation Review
Technique (PERT)
DR.ANJALATCHI
M.SC(N)MD(AM)MBA(HA)

2. LEARNING OBJECTIVES
• Introduce the topic
• Definition
• Need /overview
• History
• Concept and terminology
• Network analysis
• Creating PERT chart
• Components of PERT

3. Continued
• Steps of PERT
• Uses of PERT
• Advantages of PERT
• Disadvantages of PERT
• Limitation of PERT
• Summary
• Conclusion
• References

4. Introduction PERT
• In project management, the Project Evaluation
Review Technique, or PERT, is used to identify the
time it takes to finish a particular task or activity.
It is a system that helps in proper scheduling and
coordination of all tasks throughout a project. It
also helps in keeping track of the progress, or lack
thereof, of the overall project. In the 1950s, the
Project Evaluation Review Technique was
developed by the US Navy to manage the Polaris
submarine missile program of their Special
Projects Office.

5. Continued
• Knowing the time it should take to execute a
project is crucial, as it helps project managers
decide on other factors such as the budget
and task delegation. No matter how big or
small a project is, estimates can be too
optimistic or pessimistic, but using a PERT
chart will help determine realistic estimates.

6. OVERVIEW

7. Meaning of PERT
• PERT is a project management planning tool
used to calculate the amount of time it will
take to realistically finish a
project. PERT stands for Program Evaluation
Review Technique.

8. DEFINITION OF PERT

9. HISTORY

10. CONCEPT AND TERMS

11. CONTINUED

12. CONTINUED

13. The network diagram

14. Continued

15. COMPONENTS

16. CONTINUED

18. CONTINUED

19. PERT CHART

21. Creating a PERT Chart
• A flowchart is used to depict the Project
Evaluation Review Technique. Nodes
represent the events, indicating the start or
end of activities or tasks. The directorial lines
indicate the tasks that need to be completed,
and the arrows show the sequence of the
activities.

22. four definitions of time used to
estimate
• There are four definitions of time used to estimate
project time requirements:
• Optimistic time – The least amount of time it can take
to complete a task
• Pessimistic time – The maximum amount of time it
should take to complete a task
• Most likely time – Assuming there are no problems, the
best, or most reasonable, estimate of how long it
should take to complete a task.
• Expected time – Assuming there are problems, the best
estimate of how much time will be required to

23. Estimate Activity Time
• Optimistic time :generally the shortest time in
which the activity can be completed.
• Most likely Time: the completion time having
the highest probability.
• Pessimistic time: the longest time that having
activity might require.

24. Steps of PERT analysis
• 1. identify the specific activities and milestones
• 2. determines the proper sequences of the
activities
• 3. construct a network diagram
• 4. estimate the time required for each activity
• 5.determine the critical path
• 6.updates the PERT charts as the project
progresses.

25. CONTINUED

26. Four quantities for each activity
• ES-earliest start time
• EF-Earliest Finish time
• LS-latest Start Time
• LF-Latest Finish Time

27. Here are several terms used in a PERT
chart:
• Float/Slack – Refers to the amount of time a task can be delayed
without resulting in an overall delay in completion of other tasks or
the project
• Critical Path – Indicates the longest possible continuous path from
the start to the end of a task or event
• Critical Path Activity – Refers to an activity without any slack
• Lead Time – Refers to the amount of time needed to finish a task
without affecting subsequent tasks
• Lag Time – The earliest time by which a successor event/task can
follow a prior event/task
• Fast Tracking – Refers to handling tasks or activities in parallel
• Crashing Critical Path – Shortening the amount of time to do a
critical task

28. To implement a PERT chart:
• Identify the different tasks needed to
complete a project. Make sure to add these in
the right order and indicate the duration of
each task.
• Create a network diagram. Use arrows to
represent the activities and use nodes as
milestones.
• Determine the critical path and possible slack.

29. UPDATES THE PERT

30. USES OF PERT

31. CONTINUED

32. Advantages of PERT
• Here are several benefits of using PERT in
project management:
• It helps maximize the use of resources.
• It makes project planning more manageable.
• It’s useful even if there is little or no previous
schedule data.
• It enables project managers to better estimate
or determine a more definite completion date.

33. CONTINUED

34. Disadvantages of PERT
• Like any other method, PERT comes with its share
of limitations:
• In complex projects, many find PERT hard to
interpret, so they may also use a Gantt Chart,
another popular method for project
management.
• It can be tedious to update, modify, and maintain
the PERT diagram.
• It entails a subjective time analysis of activities
and, for those who are less experienced or are
biased, this may affect the project’s schedule.

35. Limitation of PERT
• 1. the activity time estimate are some what
subjective and depend on judgments.
• 2. even if the activity times are well estimated
, PERT assume a beta distribution for these
times estimates, but actual distribution may
be different.
• 3.PERT consistently under estimates the
expected project completion time.

36. LIMITATION

37. SUMMARY
• Still now we discussed about PERT and its
importance in operation management of
health care services. It includes the
introduction, definition, network analysis,
estimates time, steps , implementation of
PERT, advantages, disadvantages and
limitation of PERT.

38. Conclusion
• I hope you all understand about PERT analysis
and its significance in health care
management . If you got chance do the PERT
analysis will you able to apply this knowledge
confidently .

39. References
• Baker, Sunny, G. Michael Campbell, and Kim
Baker. The Complete Idiot's Guide to Project
Management. Alpha Books, 2003.
• Kerzner, Harold. Project Management: A
Systems Approach to Planning, Scheduling,
and Controlling. John Wiley & Sons, 2003.
• Punmia, B.C. and K. Khandelwal. Project
Planning and Control P.E.R.T. and C.P.M.: For
Degree Classes. Laxmi Publications, 2006.

40. Question related to the topic?
• Define the PERT?
• Discuss the need of PERT analysis?
• Narrate the concept of PERT analysis?
• Describe the Major features of PERT analysis?
• Explain the network analysis of PERT progress?
• Understand the benefits of PERT?
• State the disadvantages of PERT ?
• Demonstrate the one example of PERT analysis?

41. Thank you for your patience