Sampling Methods and Types of Bias

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What is the purpose of randomly selecting samples?

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To reduce bias.

Tags

CCSS.HSS.IC.B.3

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What is Convenience Sampling?

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A source of bias that occurs when you ask people who are easy to ask.

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CCSS.HSS.IC.B.3

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What is Undercoverage in sampling?

Back

A type of bias that occurs when some members of the population are inadequately represented in the sample.

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CCSS.HSS.IC.B.3

Front

What is a Simple Random Sample?

Back

A sampling method where each member of the population has an equal chance of being selected.

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CCSS.HSS.IC.B.3

Front

What is Systematic Random Sampling?

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A method where you select every nth individual from a list or sequence.

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CCSS.HSS.IC.B.3

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What is Response Bias?

Back

A bias that occurs when respondents provide inaccurate answers due to various factors.

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What is Nonresponse Bias?

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A bias that occurs when individuals selected for the sample do not respond.

Tags

CCSS.HSS.IC.B.3

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What is Voluntary Response Bias?

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A bias that occurs when individuals can choose whether to participate, often leading to a non-representative sample.

Tags

CCSS.HSS.IC.B.3

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What is Stratified Random Sampling?

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A method where the population is divided into subgroups (strata) and random samples are taken from each.

Tags

CCSS.HSS.IC.B.3

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What is 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.