Sampling Methods

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What is a Simple Random Sample?

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A sampling method where every individual and every subset of the sample size has an equal chance of being selected.

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What is Systematic Random Sampling?

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A sampling method where every nth individual is selected from a list or sequence.

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What is Voluntary Response Sampling?

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A sampling method where individuals choose to participate in the survey, often leading to biased results.

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What is Cluster Random Sampling?

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A sampling method where the population is divided into clusters, and entire clusters are randomly selected for the survey.

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What is Stratified Random Sampling?

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A sampling method where the population is divided into strata, and random samples are taken from each stratum.

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Define the term 'Sampling Frame'.

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A list or database from which a sample is drawn.

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What is the purpose of using a sample in research?

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To make inferences about a larger population without surveying every individual.

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Explain the difference between qualitative and quantitative sampling methods.

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Qualitative methods focus on understanding concepts and experiences, while quantitative methods focus on numerical data and statistics.

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What is a bias in sampling?

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A systematic error that leads to an inaccurate representation of the population.

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What is the importance of sample size in research?

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Larger sample sizes generally lead to more reliable and valid results.