Asking a smaller, respresentative group of people in the hope of finding out the opinions of a larger group.
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Random sampling
Everyone in the population has an equal chance of being involved in the survey.
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Quota sampling
Used in opinion polling and market research. Interviewers are each given a quota of subjects of specified type.
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Stratified sampling
A survery where a specific group of people will have the characteristics and will be interested in the good/service e.g anti wrinkle cream
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Cluster sampling
The entire population is divded into groups or "clusters" and a random sample of all these clusters are selected. All observations in the chosen clusters are included in the sample.
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Systematic sampling
This is the attempt to apply some form of scientific approach to the selection of the sample.
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Convenience sampling
Anyone can be surveyed. Probably the most frequently used methods of choosing individuals to be used in data collection.
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Ideal sample size?
The largest sample size which the business can afford.
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Other cards in this set
Card 2
Front
Everyone in the population has an equal chance of being involved in the survey.
Back
Random sampling
Card 3
Front
Used in opinion polling and market research. Interviewers are each given a quota of subjects of specified type.
Back
Card 4
Front
A survery where a specific group of people will have the characteristics and will be interested in the good/service e.g anti wrinkle cream
Back
Card 5
Front
The entire population is divded into groups or "clusters" and a random sample of all these clusters are selected. All observations in the chosen clusters are included in the sample.
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