How Long Did It Take the Human Population to Double

question 173

Multiple Choice

How long did it take the human population to double from 500 million to 1 billion?

• A) 150 years
• B) 300 years
• C) 450 years
• D) 600 years

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Definitions:

Elaboration Likelihood Model

A theory in social psychology that explains the different ways people process persuasive messages, either through careful thought and evaluation or more automatic responses.

Promotion Focus

A general tendency to think and act in ways oriented toward the approach of positive outcomes.

Maintenance Motivation

The drive to continue engaging in behaviors that uphold established habits, goals, or standards over time.

Growth Motivation

The drive to enhance oneself, to achieve one's potential and to develop beyond one's current state.