If you used random-digit dialling of listed and unlisted residential numbers in your research, what part of the Canadian population would your sampling frame exclude?
A) the rich
B) young people who have mobile phones
C) the elderly who have land lines
D) the homeless

Question

Quizplus · Accepted Answer

Random-digit dialing of residential numbers, both listed and unlisted, would not reach individuals without a fixed residence, such as the homeless, as it relies on the existence of a landline or registered mobile phone number associated with a residential address.

If You Used Random-Digit Dialling of Listed and Unlisted Residential