One of the key methods used to do political polling is random-digit dialing, in which every phone number in an area code has an equal chance of being selected to take part in a survey. However researchers have noticed that young people are more likely to only use a cell phone, and people with cell phones are less likely to answer a call from an unknown number. As a result, polling organizations often count responses from young people as being worth "more" than those from older people. What is this technique called?

Question

Quizplus · Accepted Answer

This technique is called "weighting," which involves assigning different weights to different responses in order to adjust for biases in the sample. In this case, the low response rate from young people with cell phones is weighted higher to compensate for their underrepresentation in the survey.

One of the Key Methods Used to Do Political Polling