Multi-level Convenience Sampling
Multi-level convenience sampling is a non-probability approach in which units are selected by convenience at each of two or more nested levels of a hierarchy — for example, recruiting whatever schools agree to participate and then enrolling all available students within those schools. It is widely used in organizational, educational, and health research where the researcher has limited control over access but must respect the nested structure of the population.
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- Hox, J. J. (2010). Multilevel Analysis: Techniques and Applications (2nd ed.). Routledge. · ISBN 978-1848728462
- 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
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