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9 Cards in this Set
- Front
- Back
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what is volunteer sampling? |
made up of people who volunteer to take part |
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what is opportunity sampling? |
made up of people who are in the right place at the right time |
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what is random sampling? |
every one has an equal chance of being picked |
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what is a strength of volunteer sampling? |
no ethical problems |
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what is a weakness of volunteer sampling? |
unlikely to be representitive |
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what is a strength of opportunity sampling? |
very easy to obtain |
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what is a weakness of opportunity sampling? |
not very representitve |
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what is a strength of random sampling? |
very representitve |
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what is a weakness of random sampling? |
can be difficult to gain |
