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<blockquote data-quote="Alnag" data-source="post: 3487229" data-attributes="member: 10087">Interesting. I would argue that if you had no reason to belive, that the Amazon customers have significantly different behavior than non-Amazon customers than the sample of Amazon sales could be taken at least partially seriously.Interesting. Based on what you said, I would guess that the evolution and survival of the fittest effect of RPGs continues.Well, it is all about reliability and validity of the data collected. The data are valid, if they measure what we expect them to measure. If we expect that the amount of sold units represent the popularity of the game and its healt are we right or not? If we expect that data from hobby shops or game retailers or amazon represent well the whole amount of sold products are we right? One can simply sample 1000 people (or rather gamers in this case) to find out about popularity and it is the size of the sample expected to be high enough.And yes, I am well aware of the fact Amazon sales are not the ultimate source of information on the health of RPG industry. On the other hand, have you got any other public available information resource on this item? Better something than nothing.</blockquote>

[QUOTE="Alnag, post: 3487229, member: 10087"] Interesting. I would argue that if you had no reason to belive, that the Amazon customers have significantly different behavior than non-Amazon customers than the sample of Amazon sales could be taken at least partially seriously. Interesting. Based on what you said, I would guess that the evolution and survival of the fittest effect of RPGs continues. Well, it is all about reliability and validity of the data collected. The data are valid, if they measure what we expect them to measure. If we expect that the amount of sold units represent the popularity of the game and its healt are we right or not? If we expect that data from hobby shops or game retailers or amazon represent well the whole amount of sold products are we right? One can simply sample 1000 people (or rather gamers in this case) to find out about popularity and it is the size of the sample expected to be high enough. And yes, I am well aware of the fact Amazon sales are not the ultimate source of information on the health of RPG industry. On the other hand, have you got any other public available information resource on this item? Better something than nothing. [/QUOTE]

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