Below Are Descriptions of Four Children

question 63

Multiple Choice

Below are descriptions of four children. Which one is in Piaget's stage of formal operations?

• A) performs well on tests of object permanence; still has trouble with conservation
• B) performs well on tests of object permanence, conservation, and hypothetical questions
• C) has mastered the concept of conservation; still has trouble with abstract and hypothetical questions
• D) has schemata; does not speak in complete sentences; fails tests of object permanence

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Definitions:

Benzene

A carcinogenic aromatic hydrocarbon with a ring of six carbon atoms, used as a starting material in the manufacture of many chemicals.

Organic Product

A molecule or compound produced from organic precursors, often through reactions involving carbon-based molecules.

Friedel-Crafts Acylation

A chemical reaction that introduces an acyl group into an aromatic ring, facilitated by a Lewis acid catalyst.

Polyacylation

Polyacylation is a chemical process involving the repeated addition of acyl groups to a compound, typically used in organic synthesis to modify the properties of chemicals.