CNN asks its viewers to email or call in their opinion on the issue of the day.Their findings can be generalized to the overall U.S.population because they are using a probability sample.

Question

Quizplus · Accepted Answer

CNN's viewers who respond to email or phone requests may not be representative of the overall U.S. population, and therefore the findings cannot be generalized to the entire population. This sampling method is not a probability sample, which is a random sample that ensures every member of the population has an equal chance of being selected.

CNN Asks Its Viewers to Email or Call in Their