Process / pipelineSampling

基于场地的最大变异抽样——捕捉田野点位的多样性

基于场地的最大变异抽样是一种有目的的策略，研究者会刻意选择在相关特征上具有最广泛可能范围的田野点位、生态样地、群落或观察单元。通过最大化所选单元间的异质性，该方法确保了在多样化条件下共有的普遍模式和特定情境下的独特特征都能被记录下来，从而使研究结果在广泛的现实变异中具有鲁棒性。

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基于场地的最大变异抽样

离异案例抽样基于现场的整群抽样基于现场的分层抽样最大变异抽样目的性抽样典型案例抽样基于实地的典型案例抽样

来源

Patton, M. Q. (2002). Qualitative Research and Evaluation Methods (3rd ed.). Sage. [Maximum variation sampling discussed in Chapter 5] ISBN: 978-0761919711
Etikan, I., Musa, S. A., & Alkassim, R. S. (2016). Comparison of convenience sampling and purposive sampling. American Journal of Theoretical and Applied Statistics, 5(1), 1–4. DOI: 10.11648/j.ajtas.20160501.11 ↗

如何引用本页

ScholarGate. (2026, June 3). Field-based Maximum Variation Sampling. ScholarGate. https://scholargate.app/zh/survey-methodology/field-based-maximum-variation-sampling

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基于实地的典型案例抽样

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