At What Age Can Infants Usually Sit Up by Themselves

question 152

Multiple Choice

At what age can infants usually sit up by themselves without assistance?

• A) by about 3 months
• B) usually around 5 months
• C) usually around 7 months
• D) usually around 9 to 10 months

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Definitions:

Intonation

The variation of pitch in speech, which can change the meaning of words or express emotion.

Learning Theory Approach

A theoretical framework that emphasizes the importance of environmental interactions, experiences, and reinforcement in the learning process.

Reinforces Behavior

Any consequence that strengthens or increases the frequency of a behavior.

Universal Grammar

is a theory in linguistics proposing that the ability to acquire language is innate to humans and that all languages share a common underlying structure.