Which of the following might cause undercoverage of older people in surveys of the general population?
A)online surveys
B)surveys that employ randomly dialed cell phone numbers
C)surveys conducted at shopping malls
D)All of the answer options are correct.

Question

Quizplus · Accepted Answer

All the listed methods (online surveys, surveys employing randomly dialed cell phone numbers, and surveys conducted at shopping malls) can potentially cause undercoverage of older people. Older individuals may be less likely to use the internet, less likely to have or answer cell phones, and may visit shopping malls less frequently compared to younger demographics.

Which of the Following Might Cause Undercoverage of Older People