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Old 01-31-2011, 09:24 AM   #15 (permalink)
Piwoslaw
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Join Date: Oct 2008
Location: Warsaw, Poland
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Svietlana II - '13 Peugeot 308SW e-HDI 6sp
90 day: 58.1 mpg (US)
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Quote:
Originally Posted by RobertSmalls View Post
If you spend too much time out there, e.g. with 20 runs, other parameters like ambient temperature, driver attention, and the weight of fuel in your tank will start to drift, potentially skewing your data.
This is why A-B-A-B testing is better than A-B-A. If there is a trend, you will notice it in both trials.
Extrapolating this: It would be best to do one run with, one run without mods. Then again and again and again. But this of course takes up too much time, so A-B-A-B is the best compromise. If you have time left over, then continue to do another A-B as soon as possible.
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[Old] Piwoslaw's Peugeot 307sw modding thread
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