Most Nations Have Exhibited Substantial Increases in Average IQ Scores

question 45

Multiple Choice

Most nations have exhibited substantial increases in average IQ scores during the past century. This phenomenon is called the _____.

• A) Stanford Swell
• B) Brain Leap
• C) Intelligence Surge
• D) Flynn Effect

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Definitions:

Coefficient of Determination

A statistical measure, indicated by R², that shows the proportion of variance in the dependent variable predictable from the independent variable(s).

Goodness of Fit

A statistical measure that indicates how well observed data correspond to the expected outcome under a specified model.

Direct Cost

Expenses that can be directly traced to the production of specific goods or services, such as raw materials and labor.

Hourly Labour

Refers to workers who are paid for each hour of work they perform, as opposed to salaried employees who receive a fixed amount regardless of hours worked.