For comparative rating scales to provide reliable and valid results,
A) respondents must be familiar with all the stimuli they compare.
B) the characteristics on which the stimuli are rated must be unidimensional.
C) respondents must completely understand the meaning of the characteristic being rated.
D) conditions a and c must be met, but not condition b.

Question

Quizplus · Accepted Answer

Both conditions regarding respondent familiarity with stimuli and understanding of the characteristics being rated are important for reliable and valid results. However, the characteristics being rated do not necessarily need to be unidimensional.

For Comparative Rating Scales to Provide Reliable and Valid Results