Which of the Following Abilities Marks the End of the Sensorimotor

question 128

Multiple Choice

Which of the following abilities marks the end of the sensorimotor period?

• A)the ability to use mental symbols
• B)walking
• C)talking
• D)the decline of egocentrism

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Definitions:

Mandible

The bottom jawbone, known as the most substantial and robust bone in the human facial structure.

Posterior Fontanel

A soft spot on a baby's skull where the bones have not yet grown together, located towards the back of the head.

Occipital Bones

The trapezoidal-shaped bones at the lower back part of the skull, forming the posterior skull base and containing the foramen magnum.

Experimental

Pertaining to a methodical procedure carried out under controlled conditions to discover an unknown effect, test a hypothesis, or demonstrate a known fact.