If those who respond to a survey are different (e.g.,better educated,higher income,politically involved)from those who do not respond,a researcher is faced with
A) invalid results.
B) contaminated samples.
C) nonresponse bias.
D) a poor response rate.
E) self-administered questionnaires.

Question

Quizplus · Accepted Answer

Nonresponse bias occurs when there is a systematic difference between those who respond to a survey and those who do not respond. This can result in biased and invalid results as the sample may not be representative of the population being studied. To minimize nonresponse bias, researchers can use techniques such as follow-up surveys, incentives, and targeted outreach to encourage participation from underrepresented groups.

If Those Who Respond to a Survey Are Different (E