Selection bias occurs because
A) of the high rates of refusal and the resulting lack of representativeness.
B) of the tendency for new panel members to report unusual levels of purchasing
C) panel members are representative of the population
D) panel members provide longitudinal data
E) panel members provides higher quality data than sample respondents

Question

Quizplus · Accepted Answer

Selection bias occurs because of the high rates of refusal and the resulting lack of representativeness. Some people may choose not to participate in the panel, leading to a biased sample that is not representative of the population.

Selection Bias Occurs Because