Review for Experimentation Test

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What is response bias?

Back

Response bias is a source of bias that occurs when the interviewer influences the answers given by respondents, leading to inaccurate or skewed results.

Tags

CCSS.RL.5.6

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What is a simple random sample?

Back

A simple random sample is a sampling method where each individual has an equal chance of being selected, such as drawing names from a box.

Tags

CCSS.HSS.IC.B.3

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What is undercoverage bias?

Back

Undercoverage bias occurs when certain groups in a population are left out of the selection process, resulting in a sample that does not represent the entire population.

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CCSS.HSS.IC.B.3

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What is nonresponse bias?

Back

Nonresponse bias occurs when individuals selected for a sample do not respond, leading to a potential skew in the results if the nonrespondents differ from respondents.

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What is convenience sampling?

Back

Convenience sampling is a non-probability sampling method where the sample is taken from a group that is easily accessible, such as asking friends.

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How does response bias affect survey results?

Back

Response bias can lead to inaccurate data, as respondents may provide answers they think are expected or socially acceptable rather than their true opinions.

Tags

CCSS.RL.5.6

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What is the difference between voluntary sampling and random sampling?

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Voluntary sampling involves individuals choosing to participate, while random sampling involves selecting individuals randomly from the entire population.

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Why is it important to avoid bias in sampling?

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Avoiding bias is crucial to ensure that the sample accurately represents the population, leading to valid and reliable conclusions.

Tags

CCSS.HSS.IC.A.1

CCSS.7.SP.A.1

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What is an example of undercoverage bias?

Back

An example of undercoverage bias is conducting a survey about internet usage but only sampling individuals from a specific neighborhood without internet access.

Tags

CCSS.HSS.IC.B.3

Front

What is the impact of nonresponse bias on survey results?

Back

Nonresponse bias can skew results if the characteristics of nonrespondents differ significantly from those who respond, leading to unrepresentative findings.