The Major Reason for Using a Scale for Measurement Rather

Multiple Choice

The major reason for using a scale for measurement rather than a single item is that:

A) scales are usually quicker to administer.
B) scales enable us to measure variables in a more precise and accurate fashion.
C) scales enable us to measure many variables at the same time rather than just a single variable.
D) scales are more concrete and less abstract than are single item measures.