The ________ is characterized by non-responsiveness and self-selection bias.
a. online survey
b. in-office interview
c. mall-intercept survey
d. mail survey
Answer: d. mail survey
The ________ is characterized by non-responsiveness and self-selection bias.
a. online survey
b. in-office interview
c. mall-intercept survey
d. mail survey
Answer: d. mail survey