At 21 Months of Age,Pierre Has Acquired a Symbolic Thinking

question 95

Multiple Choice

At 21 months of age,Pierre has acquired a symbolic thinking system.Which substage of the sensorimotor stage is he in?

• A) Substage 3-secondary circular
• B) Substage 4-coordination of secondary schemes
• C) Substage 5-tertiary circular
• D) Substage 6-mental combinations

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Definitions:

Categorical Proposition

A statement that relates two categories or classes in a manner that is either affirmative or negative.

Declarative English

Use of English language to make statements or assertions in a straightforward manner, often used to convey facts or information.

Categorical Proposition

A statement in logic that asserts or denies something about all members of a category.

Main Verb

The primary action word in a sentence that indicates the action performed by the subject or describes its state of being.