A radio talk-show host asks listeners to call in and share their opinion on a new highway construction project. Of the 412 listeners who called, 78% opposed the project. The host concludes that most residents in the listening area oppose the project.
What is the most serious problem with this conclusion?
- Acheck_circle
Voluntary response bias
- B
Undercoverage bias
- C
Nonresponse bias
- D
Response bias from question wording
Explanation
People who choose to call in tend to feel strongly (often negatively) about an issue, so the sample over-represents people with strong opinions. This is voluntary response bias.