Sampling (Part III). Dr Ayaz Afsar. Outline. Multi-phase sample Non-probability samples Convenience sampling Quota sampling Proportionate sample Purposive sampling Dimensional sampling Snowball sampling Volunteer sampling Theoretical sampling Planning a sampling strategy Conclusion.
Change the sampling strategy at each phase of the research, different samples for different stages of the research, e.g.:
Members of the wider population are deliberately excluded). The aim is for the sample to represent itself rather than to seek generalizability.
Proportions: 3: 3: 6: 5
Minimum required is 3 + 3 + 6 + 5 = 17