Bias Practice

Front

What is response bias?

Back

Response bias occurs when respondents answer questions in a way they think will be accepted or liked, rather than how they truly feel.

Front

What is undercoverage bias?

Back

Undercoverage bias happens when some groups of a population are left out of the selection process, leading to a sample that does not represent the entire population.

Front

What is non-response bias?

Back

Non-response bias occurs when a portion of the sample that is potentially different from the rest does not answer a survey, which can skew the results.

Front

Is the following question biased? 'To see who has a computer at home, the front office asks 10 randomly chosen students from each grade.'

Back

No, because it is a random sample.

Front

What type of bias is present when Carlos asks his baseball team about their favorite sport?

Back

Undercoverage Bias, because he is only surveying a specific group and not the entire population.

Front

What is voluntary response bias?

Back

Voluntary response bias occurs when individuals select themselves to participate in a survey, often leading to a non-representative sample.

Front

How can response bias affect survey results?

Back

Response bias can lead to inaccurate data as respondents may provide answers they believe are more socially acceptable rather than their true opinions.

Front

What is the difference between response bias and non-response bias?

Back

Response bias involves how respondents answer questions, while non-response bias involves those who do not respond at all.

Front

Why is random sampling important in surveys?

Back

Random sampling is crucial because it helps ensure that every individual has an equal chance of being selected, reducing bias and increasing the representativeness of the sample.

Front

What is an example of undercoverage bias?

Back

An example of undercoverage bias is conducting a survey about student health by only sampling students who attend after-school sports, excluding those who do not participate.