A researcher is asking respondents to answer to what age category they belong. The options provided are: less than 20; 20-40; 40-60; 60-80; 80 and above. Which of the following is a problem with these categories?
A) The categories are not mutually exclusive
B) The categories are double-barreled
C) The categories are not exhaustive
D) The categories are not open-ended

Question

Quizplus · Accepted Answer

The categories overlap at the boundaries (e.g., someone who is exactly 40 years old could fit into either the "20-40" or "40-60" category), making them not mutually exclusive.

A Researcher Is Asking Respondents to Answer to What Age