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A(n)________ Is Used as a Placeholder for an Unknown Part

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Short Answer

A(n)________ is used as a placeholder for an unknown part of a value or to match a certain pattern in a value.


Definitions:

Expressive Explosion

A rapid increase in a child's vocabulary and expressive language skills, usually occurring between the ages of 18 months to 2 years.

Mean Length Of Utterance

A measure used in language development research of children, calculating the average number of morphemes (units of meaning) used in their sentences.

MLU

Mean Length of Utterance, a measure used in linguistics to calculate and analyze the complexity of children's language development by averaging the length of their spoken statements.

Chronological Age

The exact age of an individual as measured in years from the date of birth.

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