ratio scale

a measurement scale having a true zero (i.e., zero on the scale indicates an absence of the measured attribute) and a constant ratio of values. Thus, on a ratio scale an increase from 3 to 4 (for example) is the same as an increase from 7 to 8. The existence of a true zero point is what distinguishes a ratio scale from an interval scale.

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Psychology term of the day

October 9th 2024

melancholia

n. an archaic name for depression. —melancholic adj.