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Table 1 Six-point rating scale of odor intensity and nine-point rating scale of pleasantness/unpleasantness.

From: Green odor attenuates a cold pressor test-induced cardiovascular response in healthy adults

(1) Six-point rating scale of odor intensity

(2) Nine-point rating scale of pleasantness/unpleasantness.

0: Odorless

-4: Extremely unpleasant

1: Barely perceptible odor

-3: Highly unpleasant

2: Faint but source-discriminative odor

-2: Unpleasant

3: Easily perceptible odor

-1: Slightly unpleasant

4: Strong odor

O: Equivocally pleasant

5: Extremely strong odor

+1: Slightly pleasant

 

+2: Pleasant

 

+3: Highly pleasant

 

+4: Extremely pleasant