In the first phase, we used ethnographic studies involving in-home interviews and a review of entertainment diaries kept by household members over the course of several weeks.
在第一阶段里，我们运用民族志学研究，包括历时几个星期的家庭式访谈和家庭成员娱乐日志评论。
Ethnographic field studies, focus groups, diary studies, surveys, data mining or analytics.
人种学现场研究，焦点小组，日记研究，调查问卷，数据发掘和分析。
Many ethnographic field studies attempt to do this, though there are always some observation biases.
很多人种学实地研究致力于此，但是依旧总是出现一些观测偏差。
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