The application of a word to a new object whose label is unknown based on common traits between the two objects.

A doctor that studies the anatomy and physiology of the ear.

The ability to place unknown words onto new objects. Novel-mapping opens the door to multiword use.

A part of the Behavioral Theory that refers to the relationship between two events and the increase in behavior when a stimulus is removed. For example, a frightening situation could be modified to increase communication.

The combination of syntax and morphology that helps with pluralization and noun-verb agreement in sentences.

The study of the smallest units of language including the construction of words using affixes, roots, and suffixes (morphemes).

A method of quantifying language using the average number of morphemes in an utterance. Many professionals use the mean length of utterance as a predictor of the rate of language acquisition.

Vocabulary.

Something humans use as they are prewired to learn the language. The language acquisition device is a part of the Innatist Theory.

When the caregiver provides the child with the label for an object while both are viewing it, assisting the child with organizing the world.