Examlex
To determine ________ reliability, a researcher divides a test into two subtests and compares the scores made on the two halves.
4 To 6 Months
A developmental period in infants where significant growth and milestones such as rolling over, beginning to babble, and exploring with hands are observed.
10 To 12 Months
A developmental period in infants characterized by significant growth and milestones such as beginning to walk, increased fine motor skills, and emerging language abilities.
Underextension
A language development error in which a child applies a word too narrowly, only to a specific object rather than to all objects that fit the category.
Overextension
Overextension occurs when a child in the language acquisition stage uses a single word to represent multiple objects or actions beyond the word's typical use.
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