Clay Layers Enriched in _______ Found in the Rock Record

question 3

Multiple Choice

Clay layers enriched in _______ found in the rock record at the Cretaceous-Tertiary boundary provide evidence of an asteroid impact.

• A)uranium
• B)potassium
• C)iridium
• D)plutonium

Understand the concepts of object permanence and egocentrism in cognitive development.

Comprehend the role of memory in learning and development.

Learn about the significance of child-directed speech in language acquisition.

Understand the experimental methods used to study cognitive and language development in children.

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Definitions:

Group Polarization

The tendency for a group to make decisions that are more extreme than the initial inclination of its members.

Diffusion Of Responsibility

A sociopsychological phenomenon whereby a person is less likely to take responsibility for action or inaction when others are present, often used to explain the bystander effect.

Social Loafing

The phenomenon whereby individuals exert less effort to achieve a goal when they work in a group than when they work alone.

Self-fulfilling Prophecy

A forecast that becomes a reality due to the positive feedback loop between someone's belief and actions, either directly or indirectly causing its own fulfillment.