By November 7, 2007 3 Comments Read More →

Too Clever By Half?

I know it’s weird that I have my camera in a bathroom, but it was a solo bathroom and I always have a camera in my pocket when doing Lean work. I ran across this papertowel dispenser and it wasn’t until my third or fourth attempt that I figure out how the darn thing worked. The designer may have been “too clever by half,” as our pal Jim Womack likes to say.

It’s almost too obvious in this picture, my real life experience was frustrating.
  1. Try to pull the paper down manually… doesn’t stick out enough
  2. Wave hands in front… no automatic sensor
  3. Look for lever on side… no handle

The handle that dispenses the paper is the light gray vertical piece on the right side. The problem with the design, in my humble opinion, is that the handle matches (too well) the mirror image on the left side, which is not a handle. It’s “elegant” in that you have no unsightly dispenser handle/arm/whatever you call it.

But, who cares about elegance? Make it obvious and simple and unambiguous to the users. I think the same lesson applies to our visual controls in the workplace. Don’t try to be clever. Be obvious. I think this seems obvious in the picture, but it sure wasn’t obvious to me. Is the design too clever, or am I too dense? Is user always right?

I’m influenced (I think) by the amazing book The Design of Everyday Things by Donald Norman, He argued that user controls should be intuitive and should be mapped visually to the function and layout. For example, the knobs on your cooktop stove should visually mirror the layout of the burners (like this, not like this) — original page link. Also check out Darnell’s Bad Designs, if you’re interested in the subject (and his example of good stovetop design)

And yes, as much as I complain about hand hygiene in hospitals, I do follow that particular standardized work.

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Mark Graban's passion is creating a better, safer, more cost effective healthcare system for patients and better workplaces for all. Mark is a consultant, author, and speaker in the "Lean healthcare" methodology. He is author of the Shingo Award-winning books Lean Hospitals and Healthcare Kaizen, as well as The Executive Guide to Healthcare Kaizen. His most recent project is an eBook titled Practicing Lean that benefits the Louise H. Batz Patient Safety Foundation, where Mark is a board member. Mark is also the VP of Improvement & Innovation Services for the technology company KaiNexus.

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3 Comments on "Too Clever By Half?"

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  1. Andy Wagner says:

    The advantage of this type of lever is that you don’t have to touch it with your clean hands. You can use your sleeve and get the paper hands-free.
    This doesn’t explain the symmetrical feature on the left side.

  2. Mark Graban says:

    Andy, good point about not having to use your hands. That’s the same reason experts say you should use the paper towel to turn off the water and to open the door on the way out.

    But, that light grey handle/level could have been neon yellow maybe!

  3. curiouscat says:

    Nice post again, It made me :-)

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