3 RESULTS
3.1
Odor familiarity test
As shown in Table 1, the odor familiarity of 70 kinds of odor
descriptors was <75 points. Among the 64 odor descriptors in
SSOI, 31 odor descriptors had a familiarity of <75 points; 23
distractors with odor familiarity >75 were selected to
randomly replace the distractors with low familiarity in the first
modification.