The physiological response that accompanies feelings, needs, and desires.

A child who provides a lot of feedback to adults and is generally adaptable, playful, and easygoing. An easy child often receives a lot of attention from adults because they have positive interactions during these early years.

A way to document social behaviors including individual behaviors and interactions within a group.

A child who does not provide positive feedback to the adults and may be fussy, hard to soothe, and challenging to put to sleep.

Problems with the duration, intensity, pitch, or quality of the voice.

Words used when the speaker has no first-hand account or basis.

The test used to screen newborns for hearing difficulties before they leave the hospital and provide services for those in need of them.

Rules and characteristics of a conversation that must occur for there to be order in the exchange. Without these rules in place, communication will break down.

Sounds that are generated from inside the inner ear.

Passive voice and conjoining sentences that come from the combination of both morphology and syntax.