Sampling & Ethical issues

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What is sampling?
The method used to select participants
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What is population?
The group of people that the research is interested in
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What are the 5 sampling methods?
Opportunity, random, stratified, systematic, volunteer
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What is opportunity sampling?
Selecting people who are available at time of study. Its the easiest method, and its biased because its part of a small population
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What is random sampling?
It is completely random, unbiased yet time-consuming
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What is stratified sampling?
Subgroups identified then random. Proportional to all, very time-consuming
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What is systematic sampling?
Every nth person is picked, unbiased, not fully unbiased if you don't choose a random nth term
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What is volunteer sampling?
Advertising in a newspaper, access to variety, likely to be highly motivated. Might get volunteer bias
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What are the 6 ethical issues?
Informed consent, deception, the right to withdraw, protection from physical and physiological harm, confidentiality, privacy
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Other cards in this set

Card 2

Front

What is population?

Back

The group of people that the research is interested in

Card 3

Front

What are the 5 sampling methods?

Back

Preview of the front of card 3

Card 4

Front

What is opportunity sampling?

Back

Preview of the front of card 4

Card 5

Front

What is random sampling?

Back

Preview of the front of card 5
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