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olga55 [171]
3 years ago
12

For his research methods class project, Hiro is studying the effect of pet ownership on stress levels. Although a lot of researc

h has been done on dog and cat owners, not much is known about other pets so Hiro decides to study bird owners.
Social Studies
1 answer:
Aleksandr [31]3 years ago
7 0

Answer:

The correct answer is : C. He recruits his birds owners by e-mailing members of the National Bird  Owners Association and asking for participants.

Explanation:

This technique is used by researchers who rely on their own judgment when choosing members of a specific population to participate in a certain study.  It focuses on particular characteristics of the population in mention that are of interest which may enable Hiro to answer the stress level.

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