Quote:
Originally Posted by robchalmers
I don't get this car sometimes:
how in the name of my left nut does that work??
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We don't control all other variables for the entire run, so you don't always get to see the expected changes on a tank-to-tank basis.
It'll show up in the long run (over multiple tanks)
That lack of control is why I can't really be bothered to do A-B-A testing.