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Explain the Three Theories of Aging

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Explain the three theories of aging.


Definitions:

Trend Analysis

Trend Analysis is a statistical technique used to identify patterns or trends in data over time to predict future movements.

William Stern

A psychologist known for his work in intelligence and the development of the intelligence quotient (IQ) formula.

Intelligence Quotient

A measure of a person's intelligence as indicated by an intelligence test, expressed as a ratio of the individual's mental age to their chronological age then multiplied by 100.

Charles Spearman

A psychologist known for his work in statistics and intelligence, including the concept of general intelligence, or "g factor."

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