What type of systematic error is involved when a door-to-door interviewer decides to skip a household on the list of households to be interviewed because she does not like the "looks" of that household?

Question

Quizplus · Accepted Answer

This is an example of selection error, as the interviewer is making a subjective decision to skip a household rather than randomly selecting households to be interviewed. This can introduce bias into the sample and affect the representativeness of the data.

What Type of Systematic Error Is Involved When a Door-To-Door