Mario, age 5, understands that the word mouse applies to the critter on the floor and to mouse cartoon figures, because they share perceptual features.Which constraint to a word's meaning does his understanding illustrate?

Question

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The taxonomic constraint refers to the tendency to group things that share perceptual features, such as a real mouse and a cartoon mouse, under the same word.

Mario, Age 5, Understands That the Word Mouse Applies to the Critter