Most Normal Adults Have a Memory Span

question 101

Multiple Choice

Most normal adults have a memory span:

• A)of between 5 and 9 items.
• B)that averages 7.
• C)of 7 plus-or-minus 2.
• D)all of the above.

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Definitions:

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.