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<p>[QUOTE=&quot;GDJMSP, post: 1863927, member: 112&quot;]Using my name and the key words Coin World will find it, but it will also find a whole lot of other posts. And the more key words you use in a single search the worse it&#039;ll be. If I were searching I would try using survey as the key word, with my name. Not sure it&#039;ll work though, just what I would try. </p><p><br /></p><p>But even if you find it you aren&#039;t going to learn anything that hasn&#039;t already been said in this thread. There was no consistency - grades by the different TPGs on the same coin were all over the map. There were no valid conclusions that could be drawn because of the way the survey was done and the very limited size of the sample used - I think there were 11 coins total.</p><p><br /></p><p>Three years later the PNG did the same kind of experiment and had the same kind of result.</p><p><br /></p><p>Nobody learned anything they didn&#039;t already know from either, or even both of the experiments combined. But they sure sold a lot of magazines because of it.[/QUOTE]</p><p><br /></p>

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