A qualitative researcher studied women's decision to delay childbearing until their late 30s. Initial study participants referred friends who had made similar decisions. What type of sample is being used with such referrals?A. Convenience
B. Volunteer
C. Snowball
D. Purposive

C. Snowball        

Explanation:

Snowball sampling, in statistics, is described as a sampling method in which various research participants or subjects tends to recruit or select other members, participants, or subjects for a particular study or test. Snowball sampling is being used by the researcher when 'potential participants' are generally hard to find. It is referred to as snowball sampling because it collects more and more participants as it moves ahead.

The correct answer is snowball sampling.

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