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Lean Problem-Solving

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Lean problem-solving is a systematic approach for solving complex problems in a project environment. Stemming from Lean principles, it encompasses techniques such as the 5 Whys which, involve asking 'why' five times to go beyond the apparent problem and identify the root cause. It also makes use of the PDCA (Plan-Do-Check-Act) cycle in which an idea is planned, implemented, checked for results, and then either adopted or actions are changed based on the results. This continuous cycle promotes constant learning and improvement in project processes.

Guide: Lean Problem-Solving in PMI-ACP Examination

Lean Problem-Solving is a key concept in the PMI-ACP examination.
What is Lean Problem-Solving?
Lean Problem-Solving is a systematic method used to tackle complex problems. Rather than finding quick fixes, it concentrates on identifying the root causes of problems and developing long-lasting solutions.
Why is it important?
It's important since it leads to quality improvement, better efficiency, and eliminates waste within the processes.
How it works?
It involves several steps which include identifying the problem, analyzing the problem, identifying root cause, devising countermeasures, implementation, follow-up, and standardization.
Exam Tips: Answering Questions on Lean Problem-Solving
Understanding the principles and steps of Lean Problem-Solving is crucial. Remember, the focus of Lean Problem-Solving is identifying and addressing the root cause of the problem rather than applying temporary fixes. Also, familiarize yourself with the key Lean tools, such as 5 Whys or Cause and Effect Diagrams, that may be used in problem-solving scenarios.

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PMI-ACP - Problem Detection and Resolution Example Questions

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Question 1

You are the project manager for a project that is persistently underperforming. You have chosen the Lean problem-solving tactic to solve your issues. What should be an ideal first step in your problem-solving approach?

Correct Answer: Clarify and validate the problem definition

In the lean problem-solving approach, the first step is always to 'Clarify and validate the problem definition'. This aims to understand the root cause of the problem rather than rushing to develop solutions for the perceived problem. When we understand the problem correctly, only then can we devise an appropriate strategy to solve it. On the other hand, 'Increase project budget', 'Replace the existing team with a new team', or 'Change the project’s schedule randomly' are not ideal first steps. Increasing the budget or replacing the team might not solve the problem if the root cause is not correctly identified and understood. Moreover, changing the schedule randomly can lead to chaos and confusion, adding more problems instead of solving the existing ones.

Question 2

You have a crucial project deadline that is experiencing recurring issues and causing potential delays. You have decided to employ the Lean problem-solving technique to tackle this problem. How would you go about this issue as per Lean problem-solving principles?

Correct Answer: Identify the root cause of the problem

The best approach to solve a problem according to Lean problem-solving principles is to identify the root cause of the problem. This technique emphasizes on understanding the underlying issues that cause inefficiencies or problems, and focusing on addressing these root causes rather than putting a temporary fix. The other answers are not aligned with Lean principles: 'Switch to a more easy-going project' and 'Work overtime to meet the deadline' only avoids or masks the issue rather than truly solving it, and 'Ask your team to figure it out themselves' does not demonstrate the collaborative problem-solving approach promoted by Lean.

Question 3

You've identified that your team is facing issues due to ineffective communication which is causing delays in project delivery. What's the best way to address this issue using Lean Problem Solving strategies?

Correct Answer: Identify the key constraints in communication, gather more data to understand the root cause, and then apply the most fitting solution.

The best answer is 'Identify the key constraints in communication, gather more data to understand the root cause, and then apply the most fitting solution.' This approach aligns with Lean Problem Solving which promotes identifying constraints, understanding the root cause, and finding the best solutions. 'Start by implementing a new communication tool without understanding the root cause.' is an incorrect choice because it's jumping into a solution without understanding the problem first. Similarly, 'Fire the team members who are ineffective communicators.' is counterproductive, as it does not solve the root cause. It might even create a fearful environment thus hindering open communication. Lastly, 'Ignoring the problem as if it doesn't exist' is never a solution since it allows the problem to persist and possibly worsen over time.

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