Unit 7 Test Review Flashcardizz #5

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What is a Sample Survey?

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A research method where a subset of a population is selected to represent the whole, allowing researchers to gather data without surveying everyone.

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What is a Census?

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A research method that involves collecting data from every member of a population.

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What is an Observational Study?

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A research method where the researcher observes subjects in their natural environment without intervention.

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What is an Experimental Study?

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A research method where the researcher manipulates one variable to determine its effect on another variable, often involving control and experimental groups.

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What is a Biased Sample?

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A sample that does not accurately represent the population, leading to skewed results.

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When is a Sample Survey most appropriate?

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When it is impractical to survey the entire population, and a representative subset can provide insights.

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When is a Census most appropriate?

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When complete data is needed from every individual in a population, often used in government statistics.

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What is the main goal of an Observational Study?

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To gather data on subjects' behaviors or characteristics without influencing them.

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What is the purpose of an Experimental Study?

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To establish cause-and-effect relationships by manipulating variables and observing outcomes.

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What is the difference between a Sample Survey and a Census?

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A Sample Survey collects data from a subset of the population, while a Census collects data from the entire population.