The purpose of this exp. is to find basic criteria for odor classification.
Method: Multidimensional scaling was applied to the direct estimation of perceived similarities, Henning-Zwaardemaker-Crocker's scheme (I), Piesse's table (II), McCall's categories for perfumes (III), spices (IV), and offensive odors (V) were examined in this order.
Results:(a) The most important criterion of classification by naive
Ss is pleasantness-unpleasantness dimension, (b) reliability of judgment for naive
Ss ranged 0.2-0.6, (c) Similarity based on direct estimation corresponds roughly to that based on semantic differential or Crocker's 4 place digits.
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