Political pollsters now make sure to conduct a percentage of their telephone interviews by calling mobile phones. This policy be

Question

3 years ago

12

Political pollsters now make sure to conduct a percentage of their telephone interviews by calling mobile phones. This policy be

st addresses which potential source of bias? Some of the population may not have access to other types of phones. The survey only reaches individuals who volunteer to be interviewed. The policy helps individuals understanding the wording of survey questions. Some individuals contacted may choose to not participate.

Mathematics