类别 全部 - probability - sampling - validity

作者:Matthew Pickard 17 年以前

349

Ch2_Sampling

Sampling methods are essential for conducting research and can be broadly categorized into non-probability and probability sampling. Non-probability sampling includes techniques like purposive, snowball, heterogeneity, expert, quota, and convenience sampling, each suited for specific research needs such as targeting typical cases, hard-to-find populations, and ensuring diversity.

Ch2_Sampling