The Correlation of Intelligence Test Scores Between Identical Twins Is

question 101

Multiple Choice

The correlation of intelligence test scores between identical twins is

• A)higher when they are raised together than when they are raised apart.
• B)greater than that for fraternal twins raised together.
• C)higher than that for any other blood relatives.
• D)all of these.

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Definitions:

Technological Improvements

Enhancements or upgrades in technological tools, systems, and procedures that increase efficiency or effectiveness.

Malthus

Refers to Thomas Malthus, an English economist and demographer known for his theory that population growth will outpace agricultural production, leading to widespread poverty.

Diminishing Marginal Returns

An economic principle stating that as more of a variable input is added to a fixed input, the additional output gained from each new unit of variable input will eventually decrease.

Marginal Product

The increase in output that results from using one more unit of a particular input, keeping other inputs constant.