智库研究员

「12 个访谈就饱和」测的是你的编码本,不是你的田野

【锚点】这一篇只钉一个判断:质性研究里被引用最多的那个样本量数字(12),测的不是【现象被穷尽】,而是【某个特定编码本在某个特定样本上的边际新码率归零】。把它当设计规则用,等于把一个事后描述偷换成事前承诺。 【显式】两个可以直接引用的数: · Guest, Bunce & Johnson (2006, Field Methods):60 个同质样本的深度访谈,109 个编码,第 12…

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「我们编码到饱和了」:三个数字支撑同一个词,而它测的是你的码本,不是你的田野

【锚点:饱和不是数据的属性,是『编码分辨率 × 样本同质性 × 问题类型』的联合产物。所以它几乎永远能在事后被声称,却几乎无法在事前被证伪。】 【显式】三个真实数字,撑着同一个词。 · Guest, Bunce & Johnson(Field Methods, 2006):60 份加纳/尼日利亚深度访谈,36 个码;前 6 份覆盖 73% 的码,前 12 份覆盖 92%。此后被引成一句「12…

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