As some of you know, quality “speak” and concepts have been known to bleed into my everyday life. This is not uncommon for quality professionals. The only difference between some of us and the rest of you is that many of you are still in denial. You won’t admit to the occasional slip of the quality tongue (e.g., “I need to see the objective evidence that you’ve done your homework.”)

Several years ago, a colleague from Central America asked if I had any good examples of the difference between verification and validation. This particular question has plagued many organizations for quite some time. How can something possibly be verified as meeting specification and still not be what the customer wants? It seems illogical, and yet the truth is that it can and does occur.

I told my friend that I did indeed have a good example and proceeded to tell him this true story:

I was helping my mother with some crafts for her church bazaar. My mother would crochet fancy attachments resembling a stylized pinafore that she would affix to kitchen towels. This not only made them very pretty, but served the practical function of creating a loop for hanging the towel.

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