zero time control

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allingham
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zero time control

Post by allingham » Mon Apr 02, 2007 12:05 pm

What is the value of this zero time control in experiments ?

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canalon
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Post by canalon » Mon Apr 02, 2007 8:13 pm

1x10^6

Or more seriously: The value of whatever whatever variable you where measuring at the beginning of your experiment.
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allingham
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Post by allingham » Fri Apr 06, 2007 11:39 am

Any ideas why its important ?

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Post by blcr11 » Fri Apr 06, 2007 12:16 pm

It's a reference point. If you're going to change a variable in an experiment, you need to know what you started from in order to tell if the observation you make at the completion of the experiment is significant or not.

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