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Summary RSC2601 Assignment 02
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- University Of South Africa (Unisa)
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2021RSC2601
ASSIGNMENT 02
SEMESTER 1
, RSC2601 – Research in the Social Sciences
Assignment 02
Unique number: 366275
Question 1:
Twenty-five people who lost a family member through suicide and who are currently
attending a support group, are referred to the researcher by other members in the support
group already in the sample.
This is an example of … sampling.
Answer: 4. Snowball
Reference: Study Guide Page 162
Question 2:
A researcher wishes to study Agoraphobia. The researcher places an advertisement in the
newspaper asking for participants. A total of 50 replies are received, of which the researcher
randomly selects 30. Only 15 participants actually turn up for their appointment.
The problem with drawing a representative sample of participants with clinical conditions
such as agoraphobia is that …
Answer: 3.
Question 3:
Suppose a researcher has decided to use a systematic sampling design for a research
project. The known population size is 4 400 and the desired sample size 200.
What is the sampling interval?
Answer: 2.
Reference: Study Guide Page 158
Question 4:
Various factors will influence the sample size required for every individual study. In one
specific hospital 50 babies were still born in the past 18 months. A researcher conducted 15
individual in-depth interviews with 15 of the fathers to describe their experiences.
The sample size of this study is…
Answer: 4.
Reference: Study Guide Page 164
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