This video explains sampling criteria and strategies in qualitative research. 00.34 Purposive sampling introduction and explanation, it involves selected rich information cases
1.09 Heterogenous sample, Homogenous sample selection
1.51 For hidden population use Snowball sampling, also use convenience sampling depending upon the nature of the study
For more details please read https://www.oup.com.au/media/document… To read about Opportunity Sampling technique read the following article https://www.simplypsychology.org/samp…