• Charles B Leslie Jr

PROBLEM-SOLVING IN YOUR BUSINESS: TRY THE 5 WHYS



The 5 Whys is an iterative question-asking technique used to explore the cause-and-effect relationships underlying a particular problem.

The primary goal of the technique is to determine the root cause of a defect or problem. (The "5" in the name derives from an empirical observation on the number of iterations typically required to resolve the problem.)

5 Whys Examples

Problem Statement: Customers are unhappy because they are being shipped products that don’t meet their specifications.

1. Why are customers being shipped bad products? – Because manufacturing built the products to a specification that is different from what the customer and the sales person agreed to.

2. Why did manufacturing build the products to a different specification than that of sales? – Because the sales person expedites work on the shop floor by calling the head of manufacturing directly to begin work. An error happened when the specifications were being communicated or written down.

3. Why does the sales person call the head of manufacturing directly to start work instead of following the procedure established in the company? – Because the “start work” form requires the sales director’s approval before work can begin and slows the manufacturing process (or stops it when the director is out of the office).

4. Why does the form contain an approval for the sales director? – Because the sales director needs to be continually updated on sales for discussions with the CEO.

In this case only four Whys were required to find out that a non-value added signature authority is helping to cause a process breakdown.

As you can see, in the example, the final Why leads you to a statement (root cause) that you can take action upon. It is much quicker to come up with a system that keeps the sales director updated on recent sales than it is to try to directly solve the stated problem above without further investigation.

Utilize the 5 Whys, and your business will be able to find the root cause of a problem fairly quickly, and also a solution.


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