Re: Media Testing for maclife.de
Re: Media Testing for maclife.de
- Subject: Re: Media Testing for maclife.de
- From: Richard Wagner <email@hidden>
- Date: Sat, 20 Sep 2008 13:05:14 -0700
On Sep 20, 2008, at 12:03 PM, Bob Frost wrote:
Now what those units represent, and whether you will get the same
measurement on another occasion is another whole ball game.
As far as your statement above, "what those units represent" is, I
suspect, a misstatement. The units were millivolts, for which there
is an internationally agreed upon definition.
If you're not sure whether you'll get the same measurements on a
different occasion, you're probably already on thin ice, because now
you've admitted that your measurements may not be reproducible.
Without knowing "what they represent" the numbers are useless. You
might just as well pull numbers from a random number generator.
Numbers are not measurements. Numbers, in the abstract, are not good
or evil, correct or incorrect. Measurements require context to be
useful, and yes, measurements can be wrong.
If you're supplying steel beams for a building project, and the beams
you supply are all one meter shorter than spec, you might insist that
your measurements are correct, and that ALL measurements are
intrinsically correct, but the contractor will tell you that your
measurements are wrong - the beams don't fit, and to him, they're
useless, and he won't accept them. You can argue until the cows come
home that "measurements can't be wrong," but I suspect you''ll lose
the argument, and probably the job. The developer will tell you that
the measured beams from other suppliers work for his project, and
yours don't. He probably won't want to engage you in a long argument
over the meaning of the term "measurement" because he has deadlines
to meet and a building to finish. Unless you were trying to rip the
developer off by supplying shorter beams than spec, your measurements
were wrong, and there was an unaccounted for source of error in your
measurements. It's your job to find the source of the discrepancy
(error), not the developer's.
I do think this is a long digression from the topic at hand, though,
and I won't prolong it any further.
--Rich
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