Types of Survey Bias

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What is undercoverage bias?

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Undercoverage bias occurs when some members of the population are inadequately represented in the sample, leading to a skewed understanding of the population's views.

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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 response bias?

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Response bias refers to the tendency of participants to respond in a certain way based on social desirability, demand characteristics, or other factors, rather than their true beliefs or experiences.

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What is a voluntary response sample?

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A voluntary response sample is a type of sampling where individuals choose to participate, often leading to a biased sample.

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What is a simple random sample?

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A simple random sample is a sampling method where every member of the population has an equal chance of being selected.

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What is a systematic random sample?

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A systematic random sample is a sampling method where members are selected at regular intervals from a randomly ordered list.

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What is a stratified random sample?

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A stratified random sample is a sampling method that involves dividing the population into subgroups and randomly sampling from each subgroup.

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What is convenience sampling?

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Convenience sampling is a non-probability sampling method where participants are selected based on their easy availability.

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What is sampling bias?

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Sampling bias occurs when the sample collected is not representative of the population, leading to inaccurate conclusions.