Given below are two statements. In the light of the above statements, choose the most appropriate answer from the options given below.
Statement I:Snowball sampling is a type of random sampling.
Statement II:Snowball sampling is helpful when participants belong to hard-to-reach groups.
ABoth Statement I and Statement II are correct
BBoth Statement I and Statement II are incorrect
CStatement I is correct but Statement II is incorrect
DStatement I is incorrect but Statement II is correct ✓ Correct
Correct answer: (D) Statement I is incorrect but Statement II is correct
Explanation
Snowball sampling is a non-probability technique, so Statement 1 calling it random sampling is false.
Existing participants refer further participants, so selection is not left to chance.
Statement 2 is true because snowball sampling is valuable for reaching hard-to-reach or hidden populations.
It suits groups like drug users or undocumented migrants who lack a sampling frame.
Because chains grow from initial contacts, samples can be biased toward connected individuals.
Respondent-driven sampling is a refined version designed to reduce such bias.
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