Which Example Lends the Strongest Support to an Environmental Explanation

question 22

Multiple Choice

Which example lends the strongest support to an environmental explanation of intelligence?

• A) Bright children take better advantage of their environmental resources.
• B) Siblings raised in different homes have IQs of 100 to 120.
• C) Children with intellectual disabilities who are moved from institutions into adoptive homes have an average gain of 30 IQ points.
• D) Minority groups in the United States have a mean IQ that is 15 points below the mean of the majority.

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Definitions:

Warranty Period

The specific timeframe during which a manufacturer or seller commits to repairing or replacing defective products at no charge to the customer.

Software Errors

Mistakes or faults in a computer program that cause it to produce incorrect or unexpected results or to behave in unintended ways.

Sonar Equipment

Equipment that uses sound propagation (usually underwater) to navigate, communicate, or detect objects on or under the surface of the water.

Prevention Cost

Costs incurred to prevent defects in products or services, part of quality control measures.