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The ABC’s (Attitudes, Behaviors
and Cautions) of success with home health technology
Home
telehealth, according to Michael J. Rosen, design engineer
(consultmjr@hotmail.com
)
Treat it as
your first lesson in a prop plane, with someone who knows
how to fly.
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Have faith. You didn’t always
know how to drive a car.
Even with the best-designed devices, there’s that
involuntary crisis of confidence upon first introduction.
Despite all the good things you’ve heard about the
Acme z500, it just looks …. well … daunting.
Too many buttons and wires and adjustments. Too many instructions
with too many exceptions. It’s right at that moment
that you need to repeat this mantra (silently if you want
to appear cool): “I learned to drive a car. I learned
to drive a car. I learned to drive a car.”. The point
is that unfamiliar devices will become familiar with use.
When you first looked at the dashboard of a car or the panel
of your microwave or the front of your stereo, it looked
formless and cluttered. With time, and not much time at
that, it took on shape and organization. With time and use,
what looked random and undifferentiated morphed into a distinctive
landscape with various regions associated with particular
functions.
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Self-esteem. The designer is the
dummy, not you.
Of course, another possible reason why the Ajax P32 looks
cluttered and amorphous is that it is cluttered and amorphous.
That branch of product design known as Human Factors may
be completely unknown to the zealous techies back at the
Ajax skunkworks. It’s remarkable how often products
come to market – products that people like you are
meant to master and depend on – without any sign that
the designers thought about you and where you live and what
your life is like. So, when the P32 is hard to learn and
out of synch with other technology you’ve been using
for years and completely opposie to your intutions about
how it should work, you are not to blame.
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Chose Wisely. Be a choosy demanding
consumer.
More important than not letting the Ajax P32 get you down
is not buying it in the first place. Keeping in mind lesson
1 (few useful products will be instantaly learnable), try
before you buy. The Aardvark Zeppo may be a much better
choice for you, and not just because it comes earlier in
the alphabet. If it looks clearer, simpler, better made,
more like things you already use, it’s probably a
better choice. If you can try out more than one competing
product (if in fact there’s more than one on the market),
your hands and eyes and instincts may give you a strong
sense of what to buy.
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KISS. Keep it simple, stupid.
This ancient principle – older than the Ten Commandments,
which is lucky since otherwise there might have been 39
– remains valid. Don’t buy features you won’t
need. Features may be wonderfully powerful and worth extra
cost. But beyond the extra dollars, they make a product
unavoidably more complex. You are much less likely to master
features that you don’t use often. How many people
know what all the buttons are for on their VCR? Play. Stop,
Rewind: of course. And that’s because they become
“automatized”. This is a word that you can use
to dazzle your friends at parties, despite that fact that
it just means that you can use these features without thinking
about it.
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The Trojan Horse. Watch out for
false simplicity and hidden complexity.
The sales rep from Apex is pushing his MegaSimple model.
If his handlebar mustache didn’t tip you off, you
should have been suspicious when you noticed that this product
has only two buttons. “What could be simpler?!”
he asks, rhetorically of course. Being an empowered consumer
(having learned rule 3), you ask for a demonstration. He
hesitates. You insist. And then the MegaSimple starts to
show its true colors. If it needs to work in six different
modes, and each has several stages, then trying to make
all that happen with only two controls can be a whole lot
more complicated than than it would be with six controls,
one for each mode. The point is that functional simplicity
may not translate into visual simplicity. Investing the
learning and the reach needed for more buttons may buy you
operation that is far more easily … automatized.
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Setup. You need to set the table
before you can eat.
Murphy’s Law has a several corolaries that can be
applied to a home health device. If orange juice can be
spilled on it, it will be spilled on it. If the cat can
land on it and knock it off the night stand, that cat will.
And so on and so on. The point is that making a product
work well for you requires that you put some thought into
placing it and setting it up securely. No device has limitless
capacity to absorb punishment; so protect your new Able-Life
model 3 and think carefully about the space around it and
what else is likely to go on in that space. If you are setting
up technology in a familiar place, this shouldn’t
be too hard.
About the author:
Mike Rosen, Ph.D, has practiced as an academic rehabilitation
engineer with thirty years of experience developing assistive
and therapeutic technologies, conducting research on neuromotor
impairment, and teaching engineering design. He is currently
a Research Associate Professor at the Department of Physical
Therapy, College of Nursing and Health Sciences, University
of Vermont, Burlington, VT.
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