Exercise
Form 8: Identifying Sources of Sampling Bias
Identify potential sources of sampling bias in survey design and collection methods. Learn how non-random selection affects data validity.
Questions
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MultiChoice
A survey about internet usage conducted solely in a computer store suffers primarily from:
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MultiChoice
A radio show host asks listeners to call in to vote on a political topic. What type of bias occurs?
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MultiChoice
Asking 'Don't you agree that school lunches should be healthier?' introduces which type of bias?
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MultiChoice
Surveying only students in the honors hallway during lunch introduces what main source of bias?
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MultiChoice
When 80% of randomly mailed surveys are discarded and not returned, the results are subject to:
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MultiChoice
A researcher polls people at a train station at 6:00 AM about daily sleeping habits. Is this sample biased?
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MultiChoice
Which scenario creates undercoverage bias in a community survey?
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MultiChoice
When respondents lie because they feel pressured to give a socially acceptable answer, this is called:
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MultiChoice
Why are online opt-in polls generally considered biased?
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MultiChoice
How can a researcher best minimize sampling bias in a study?
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MultiChoice
A survey about city tax policy is conducted exclusively at an expensive country club. The sample is:
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MultiChoice
What impact does sample bias have on statistical conclusions?