(Choose 1 answer)
Assume that respondents aged 65 or older are only one-third as likely to be in an Internet sa actual incidence in the population. Using propensity scoring, their responses would be:
A. excluded from the sample to avoid any potential bias.
B. included as is (only once) to keep the data truly representative.
C. counted three times in the sample.
D. included selectively (about one-third of the time) in the sample.
E. included alternatively.
Exit 36