Types of Bias Statistics Flashcard

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What is non-response bias?

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Non-response bias is the bias that occurs when the people who do not respond to a survey or study differ in a meaningful way from those who do respond.

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What is voluntary response bias?

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Voluntary response bias is when individuals choose to participate in a survey or study, leading to a non-representative sample.

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What is sampling bias?

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Sampling bias refers to a bias in the selection of individuals or groups to be included in a sample, which can result in an unrepresentative sample and misleading conclusions.

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What is self-selection bias?

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Self-selection bias occurs when individuals choose to respond to a survey, which can lead to a non-representative sample.

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What is undercoverage?

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Undercoverage is a type of bias that occurs when certain groups are systematically excluded from the sample.

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What is response bias?

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Response bias is the tendency of respondents to answer questions inaccurately or falsely, often due to the wording of the questions.

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What is confirmation bias?

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Confirmation bias is the tendency to search for, interpret, and remember information in a way that confirms one's preexisting beliefs.

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What is the importance of sample size in surveys?

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A larger sample size generally leads to more reliable and valid results, reducing the impact of sampling bias.

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How can bias affect survey results?

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Bias can lead to skewed results that do not accurately represent the population, affecting the validity of conclusions drawn from the data.

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What is the difference between random sampling and convenience sampling?

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Random sampling involves selecting individuals randomly from the population, while convenience sampling involves selecting individuals who are easiest to reach.