A Researcher Wishes to Investigate Whether Older People Have More

Multiple Choice

A researcher wishes to investigate whether older people have more conservative values than younger people.
i. What type of research design would be the most appropriate?
ii. What would the researcher need to be mindful of when selecting participants?

A) cross-sectional design; participant drop-out
B) longitudinal design; participant drop-out
C) longitudinal design; selection bias
D) cross-sectional design; selection bias