Re: Media Testing for maclife.de
Re: Media Testing for maclife.de
- Subject: Re: Media Testing for maclife.de
- From: Chris Cox <email@hidden>
- Date: Tue, 16 Sep 2008 12:20:10 -0700
- Thread-topic: Media Testing for maclife.de
> Date: Mon, 15 Sep 2008 20:40:06 -0700
> From: David Scharf <email@hidden>
> Subject: Re: Media Testing for maclife.de
>
> Woah!
>
> Hi Chris,
>
> I understand your point, however the form of your statement seems to
> make huge assumptions.
>
> Chris Cox wrote:
>> A measurement cannot be wrong. It is just a measurement.
> But sure measurements can be "wrong", incorrect, or inaccurate. I guess
> you are assuming that the instrument is very well calibrated. But even
> then the question is "how accurate".
The measurement is not wrong - it is just a number or set of numbers.
But the meaning you assign to the measurement would relate to the accuracy
and precision of the instrument used to make the measurement plus the
experimental setup from which the measurement was made.
The interpretation of the measurement may not match a standard, or other
measurements -- but that simply means that something is wrong with your
interpretation of the measurement(s).
Yes, I'm simplifying - I am assuming that not everyone has a background in
the sciences.
>> How you interpret the measurement, what meaning you assign to the
>> measurement, and how you compare different measurements can be wrong.
> And yes, the interpretation of measurements is a very important part of
> the science (metrology). One has to understand their instruments and the
> conditions of measurement for a good interpretation of the measurement
> data. Additionally, there are numerous conditions when the act of
> measurement itself changes the data.
Yes.
Chris
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