For all the child knows, it could be that the word "dog" is supposed to pick out just the dog´s feet, or the whole category of animals, or its color, smell, or the way it is moving, and so on. This is best known as:

Question

Quizplus · Accepted Answer

The statement describes the concept of the mapping problem, where a child is uncertain about which aspects of an object a word refers to. This is different from over-regularization error, segmentation error, taxonomic constraint, and phonological constraint.

For All the Child Knows, It Could Be That the Word