Sampling Methods

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What is Sampling?

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Sampling is the process of selecting a subset of individuals from a population to estimate characteristics of the whole population.

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What is Simple Random Sampling?

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Simple Random Sampling is a sampling method where each individual in the population has an equal chance of being selected.

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What is Stratified Sampling?

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Stratified Sampling involves dividing the population into subgroups (strata) and randomly selecting samples from each stratum.

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What is Biased Sampling?

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Biased Sampling occurs when certain individuals or groups are more likely to be selected than others, leading to an unrepresentative sample.

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CCSS.HSS.IC.A.1

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What is Unbiased Sampling?

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Unbiased Sampling ensures that every individual has an equal chance of being selected, resulting in a representative sample.

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CCSS.7.SP.A.1

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What is Convenience Sampling?

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Convenience Sampling is a non-random sampling method where samples are taken from a group that is easily accessible.

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What is Systematic Random Sampling?

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Systematic Random Sampling involves selecting every nth individual from a list of the population.

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What is Volunteer Response Sampling?

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Volunteer Response Sampling occurs when individuals self-select to be part of the sample, often leading to bias.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is the importance of sample size in research?

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Sample size affects the reliability and validity of the results; larger samples generally provide more accurate estimates.

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What is the difference between qualitative and quantitative sampling methods?

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