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Old 03-28-2011, 12:22 AM   #5 (permalink)
gone-ot
...beats walking...
 
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...and, you could simultaneously do your A-B-A tests by having one side have the stock plastic wheel covers and the other side have the smooth, pizza pan cover...that way, you're basically performing BOTH tests under identical (albeit RIGHT & LEFT sided) conditions on the same road, at the same time. Just have the "chase car" move from side to side.
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