Twin Studies by Trzaskowski and Others in 2014 Report That

question 53

Multiple Choice

Twin studies by Trzaskowski and others in 2014 report that the heritability of intelligence is found to be as high as _____ percent.

• A)10
• B)25
• C)50
• D)75

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Definitions:

Operating Leverage

A measure of how revenue growth translates into growth in operating income, indicating the proportion of fixed versus variable costs a company has.

Degree of Operating Leverage

A financial ratio that measures the sensitivity of a company's earnings before interest and taxes (EBIT) to a percentage change in sales, indicating the impact of fixed costs on profits.

High-low Method

The high-low method is an accounting technique used to estimate the variable and fixed costs of a business based on the highest and lowest levels of activity.

Unit Sales Price

The price at which an individual unit of a product is sold, important for determining profitability and setting pricing strategies.