The phenomenon that occurs when a child increases their vocabulary exponentially after uttering the first word. In most cases, children will begin to use approximately fifty words by the ages of sixteen and eighteen months.

The relationship between two events that can decrease a behavior as a part of the Behavioral Theory. One of the simplest examples of punishment would be placing a child in time-out after an undesirable action.

Sounds that occur from birth to six months of age that can include grunts, squeals, vowel sounds, clicks, cries, or laughter. These sounds lack the true form of syllables.

The cultural and social dynamics we use to develop and employ communication.

The relationship between two events that can increase a behavior as a part of the Behavioral Theory. One of the simplest examples of positive reinforcement is a child who receives praise for performing the correct action.

Vocalizations that occur between the ages of ten and eighteen months that include both closed and open syllables.

Basic formatting for a sentence based on patterns.

The study of speech sounds and the structural relationships of the elements of speech within individual words and across language as a whole.

The sounds that letters and letter combinations make.

A means of communication without using words including crying, touching, smiling, laughing, and more.