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The WotC Playtest Surveys Have A Flaw
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<blockquote data-quote="Cadence" data-source="post: 9109412" data-attributes="member: 6701124"><p>* Apologies if you hit these other issues already *</p><p></p><p>That would be how statistics would work if this was a random sample from "the consumer population of these products" (or however you want to say it) that all responded. If it's not a random sample and the nonrespondents missingness isn't just right ... well, then it's a whole sea of assumptions and could almost all all be garbage. (See non-presidents Dewey and Landon for some nice reads).</p><p></p><p>And if it was all the nice stuff, if they saw exactly 70% of their sample liked it, that would mean they were, say, 99% confident the population percent liking it was between 70%-something small and 70%+something small for a usual interval. The one sided thing would be that it was 99% confident the population percent was more than 70%-something small.</p></blockquote><p></p>
[QUOTE="Cadence, post: 9109412, member: 6701124"] * Apologies if you hit these other issues already * That would be how statistics would work if this was a random sample from "the consumer population of these products" (or however you want to say it) that all responded. If it's not a random sample and the nonrespondents missingness isn't just right ... well, then it's a whole sea of assumptions and could almost all all be garbage. (See non-presidents Dewey and Landon for some nice reads). And if it was all the nice stuff, if they saw exactly 70% of their sample liked it, that would mean they were, say, 99% confident the population percent liking it was between 70%-something small and 70%+something small for a usual interval. The one sided thing would be that it was 99% confident the population percent was more than 70%-something small. [/QUOTE]
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The WotC Playtest Surveys Have A Flaw
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