Qualitative researchers often count on recruiting by referral, which is called which of the following?

Name: Qualitative researchers often count on recruiting by referral, which is called which of the following?
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Snowball sampling is a recruitment strategy used by qualitative researchers where existing study subjects recruit future subjects from among their acquaintances. This method is particularly useful for reaching populations that are difficult to access or locate.

Qualitative Researchers Often Count on Recruiting by Referral, Which Is