How information is collected about a child by examiners and early intervention teams.

The act of determining whether the skills being measured are developmentally suitable for the child.

A process to blend information collected using multiple methods, sources, settings, and times.

A community-wide effort that uses many agency resources to have contact with infants, young children, and their families.

When systematic variance that could be the result of racial or cultural socialization is removed from the test score. This is often referred to as fairness.

A test for newborns immediately after birth that measures the heart rate, breathing effort, muscle tone, reflex irritability, and skin tone.

Basic activities that include normal daily tasks such as bathing, dressing, toileting, grooming, eating, and sleeping. Activities of daily living may sometimes be referred to as self-help or adaptive skills.

Personality traits that play a critical role in the responses a child elicits from caregivers and that will ultimately shape their overall personality.

An experiment designed by Ainsworth and her colleagues to study separation anxiety in children when their mothers leave the room. The mother brings her baby into a controlled setting and allows the child to explore the room. In a few moments, a new and unfamiliar adult enters the room and

A complex form of social play where the child must be able to engage in the basic concept of the game as well as interact with others. It requires the more complicated coordination of the two activities at the same time.