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5 Why

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Michelle Johnson

on 17 October 2014

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Transcript of 5 Why

At the time of filling the 5W1H out, try to answer as much as possible
If you need time to gather facts or analyze samples, do so
Don’t force an answer on the “Is-Not” portion
“Is-Nots” may be “Not yet” until you have credible data
When the “Is-Not” has a credible answer, try to determine if there are implications that can narrow down the problem
Consider revisiting 5W1H as more data/facts come about
Avoid blaming people in problem statements
Don’t provide solutions in problems statements
5 Why Analysis
So, why is it such
a challenge?
The effective implementation of solutions to eliminate problems is widely viewed as
Like everything, it takes practice to get good at something. So, in some aspects....some is better than nothing.

However, we need to understand that:
When we do something we create neural pathways and, ultimately, habits!
Gather the Team
5 Why Analysis
Common Bad Habits
Not starting with the 5W&1H to construct your 1st Why
One person filling out the form alone
Solutions in disguise
Blaming people as the root cause
Focusing only on why the defect or issue wasn’t caught or contained, not why it occurred
Deviating from cause and effect
Jumping to conclusions
Why is it so critical
to do the methodology
right? Isn't some
better than nothing?
5 Why Tip:
Creating Action Items
5 Why Tip:
Multiple Routes
5 Why Tip:
Creating Action Items
5W&1H Tips
Exercise &
case study
Another example...
Where Did We Go
What are some of the
Chronic vs. Sporadic
Problem Solving Basics
1st step is gathering the team

Should include:
- People involved in the incident
- Others not directly involved
- Facilitator: keep the team focused & ensure the analysis is conducted correctly
- Multi-disciplinary group: can provide outside views & see things overlooked by those close to the area
You will be shown a picture of a crime scene

You have 20 seconds to memorize as much of the picture as possible

After time is up, we’ll answer 10 questions together as a team
From memory, answer the following questions as a team.

1. What are the names of the streets on the sign at the intersection?

2. What was the young man doing to the parked car?

3. What is the name of the produce store?

4. What was the man sitting at the table taking?

5. What were the men running across the street carrying?

6. What was the price for the grapes?

7. What is the name of the café?

8. What did the woman drop from the upstairs window?

9. What is on “special” at the produce store?

10.What was the man stealing from the produce market?
How many did the team answer correctly?

How many would you have answered correctly on your own?

The same is true with RCA’s
To be successful, the analysis needs to be completed by a team
One person will not have all the information
Everyone sees things differently
Writing a Problem Statement
We could:
Add a bucket
send the water to a drain
replace the valve

These only correct the problem temporarily, but it does not address the root cause! We need to ask why we had to perform these tasks.
5 Why Tip:
Don't forget: Conduct the 5W&1H first!
5 Why Tip:
It's critical to verify the identified root cause is the actual root cause
Try to reproduce the problem!
If the problem can't be reproduced, there's a good chance the actual root cause was not identified - Revisit the 5 Why!

If the problem can be reproduced, CONGRATULATIONS! You can now eliminate it and see the improvement in your metric.
Full transcript