Some researchers argue that attitude scales-with response alternatives such as "strongly agree," "agree," "disagree," and "strongly disagree"-can be considered to be at the interval level of measurement because:
A)such scales involve categories with a fixed order.
B)such scales have sufficient items to make for valid and reliable measurement.
C)such scales constitute continuous variables.
D)people perceive the distance between choice alternatives on such scales to be equal.

Question

Quizplus · Accepted Answer

Interval level measurement assumes equal intervals between points on the scale, and the argument is that people perceive the distance between choice alternatives on attitude scales as equal.

Some Researchers Argue That Attitude Scales-With Response Alternatives Such as "Strongly