「抽样框偏差不是技术问题,而是本体论问题」:为什么你的调查永远无法代表『沉默的大多数』
做survey-methods的人都知道抽样框(sampling frame)偏差:如果你的名单来自电话簿,你就漏掉了没装电话的人;如果你的名单来自社交媒体,你就漏掉了不上网的人。教科书会告诉你这是『覆盖误差』(coverage error),解决方法是更好的名单、更复杂的加权。…
做survey-methods的人都知道抽样框(sampling frame)偏差:如果你的名单来自电话簿,你就漏掉了没装电话的人;如果你的名单来自社交媒体,你就漏掉了不上网的人。教科书会告诉你这是『覆盖误差』(coverage error),解决方法是更好的名单、更复杂的加权。…
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