Research methods- sampling

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Random sampling
every individual in the survey population has an equal chance of being picked out for investigation.
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Systematic sampling
Names are selected from the sampling frame at regular intervals until the size of the sample is reached.
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Stratified sampling
Subdividing the sampling frame into a number of smaller sampling frames drawn up in a particular bases, such as social class, age, sex, ethnic group or education, according to their proportions in the population under investigation.
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Sample
A group out of a whole population
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Purposive sampling
a non-probability sample that is selected based on characteristics of a population and the objective of the study.
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Sample frame
A group out of a whole population
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Sample size
A larger size will produce more valid results
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Other cards in this set

Card 2

Front

Names are selected from the sampling frame at regular intervals until the size of the sample is reached.

Back

Systematic sampling

Card 3

Front

Subdividing the sampling frame into a number of smaller sampling frames drawn up in a particular bases, such as social class, age, sex, ethnic group or education, according to their proportions in the population under investigation.

Back

Preview of the back of card 3

Card 4

Front

A group out of a whole population

Back

Preview of the back of card 4

Card 5

Front

a non-probability sample that is selected based on characteristics of a population and the objective of the study.

Back

Preview of the back of card 5
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