Which of the following items violates a principle of questionnaire design?
A) a. Annual Income: Under $20,000
$20,000 - $40,000
$40,000 - $60,000
Over $60,000

B) b. Annual Income: $0 - $20,000
$20,001- $40,000
$40,001- $60,000
$60,001+

C) c. Annual Income: Under $20,000
$20,001 - $40,000
$40,001 - $60,000
Over $60,000

D) Annual Income: _____________

Question

Which of the following items violates a principle of questionnaire design?
A) a.	Annual Income: Under $20,000 
		$20,000 - $40,000
			$40,000 - $60,000
			Over $60,000

B) b.	Annual Income:	$0 - $20,000 
		$20,001- $40,000
		$40,001- $60,000
		$60,001+

C) c.	Annual Income:	Under $20,000 
		$20,001 - $40,000
		$40,001 - $60,000
		Over $60,000

D) Annual Income: _____________

Quizplus · Accepted Answer

Option A violates a principle of questionnaire design because the income categories are not mutually exclusive; someone earning exactly $20,000 or $40,000 could fall into two categories.

Which of the Following Items Violates a Principle of Questionnaire