Research Methodology · Snowball Sampling

Consider the following statements regarding snowball sampling in research: A. It is a chain-referral technique where initial subjects recruit subsequent participants who meet the study criteria. B. It is a primary method specifically utilized to gain access to hidden, marginalized, or hard-to-reach populations. C. A key advantage of this method is that it produces a completely random sample that is free from referral bias. D. A disadvantage is that initial subjects might refer people similar to themselves, which can lead to a skewed sample. Choose the most appropriate answer from the options given below: