Plsek P E
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Part II of this three-part tutorial focuses on the logistics of data collection. The author presents a checklist of things to consider when planning the details of a data collection effort; touches on the topics of bias and stratification; discusses examples of popular data collection methods; and points out some common pitfalls in data collection, offering practical tips on how to avoid them.
这个三部分教程的第二部分聚焦于数据收集的后勤工作。作者列出了一份在规划数据收集工作细节时需要考虑的事项清单；涉及了偏差和分层的主题；讨论了流行数据收集方法的示例；并指出了数据收集过程中的一些常见陷阱，还提供了如何避免这些陷阱的实用建议。
