If a neutral or indifferent scale response is possible for at least some of the respondents,an even number of categories should be used.

Question

Quizplus · Accepted Answer

This statement is incorrect. An even number of categories does not guarantee a neutral or indifferent response option. It is possible to have an odd number of categories with a neutral or indifferent response option, such as a 5-point scale with a "neither agree nor disagree" option in the middle. The key factor in providing a neutral or indifferent response option is the wording of the scale and response options, not the number of categories.

If a Neutral or Indifferent Scale Response Is Possible for at Least