General Findings Are That There Is a Moderate Positive Correlation-About

question 28

Multiple Choice

General findings are that there is a moderate positive correlation-about .3 to .4-between brain size and measured intelligence. We must remember, however, that this relationship does not mean that having a bigger brain is directly responsible for higher intelligence. Some third variable, such as better nutrition, might explain this relationship. This reminds us of the critical-thinking concept of

• A)correlation versus causation.
• B)replicability.
• C)Occam's Razor.
• D)extraordinary claims.

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Definitions:

Horizontal Demand Curve

A demand curve characterized by a constant price for varying quantities demanded, indicating perfect elasticity.

Large Number

A large number refers to an amount or quantity significantly above average or normal, often used in various contexts to indicate magnitude or scale.

Marginal Decision Rule

An economic principle which suggests that action should continue until marginal benefit equals marginal cost, optimizing resource allocation.

Downward-Sloping Demand

A representation of the relationship between the price of a good and the quantity demanded, illustrating that as price decreases, demand typically increases.