Research Has Found That What Percentage of Within-Group Variation in IQ

question 441

Multiple Choice

Research has found that what percentage of within-group variation in IQ is attributable to genetic factors?

• A)5 to 20%
• B)25 to 50%
• C)50 to 66%
• D)75 to 90%

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Definitions:

Rates Of Return

The gain or loss on an investment over a specified period, expressed as a percentage of the investment's initial cost.

Sample Mean

The average of all observations or data points in a sample.

Measurements

The process or the result of determining the size, length, or amount of something, typically by comparison with a standard unit.

Sample Mean

The average of a set of numerical values, taken from a sample of a larger population.