Sampling Methods Flashcard

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What is a representative sample?

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A representative sample accurately reflects the characteristics of the population from which it is drawn.

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What is Convenience Sampling?

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A sampling method where individuals are selected based on their easy availability and proximity to the researcher.

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What is Systematic Sampling?

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

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What is Random Sampling?

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A sampling method where every individual has an equal chance of being selected, often achieved by random selection methods.

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What is Cluster 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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Why is Leslie's sample of the 9 youngest students not representative?

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It does not include a diverse range of ages and experiences from the entire school population.

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What is the main drawback of Convenience Sampling?

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It may lead to biased results as it does not represent the entire population.

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How does Systematic Sampling differ from Simple Random Sampling?

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Systematic Sampling selects individuals at regular intervals, while Simple Random Sampling selects individuals completely at random.

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What is the purpose of using Random Sampling in surveys?

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To ensure that every member of the population has an equal chance of being included, reducing bias.

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What is the significance of using Cluster Sampling in research?

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It is often more practical and cost-effective, especially when dealing with large populations.