Which of the following are the properties of Ratio Scale of measurement used in research? A. Absolute…

In Stanley Smith Stevens's hierarchy of measurement scales (Nominal, Ordinal, Interval, and Ratio), the Ratio Scale is the highest and most informative level of measurement. It incorporates all the properties of the lower scales—Classification/identity (C), Order/magnitude (B), and Equal Units/intervals (D)—along with a true, non-arbitrary Absolute zero point (A). Thus, A, B, C, D is correct.