In Which Sample Would You Expect the Heritability of IQ

question 13

Multiple Choice

In which sample would you expect the heritability of IQ to be the lowest?

• A) low socioeconomic status twins
• B) middle socioeconomic status twins
• C) high socioeconomic status twins
• D) none of the above; the heritability will be the same in all three groups

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Definitions:

Eyelid

A fold of skin that covers and protects the eye.

Macular Degeneration

A medical condition which may result in blurred or no vision in the center of the visual field due to damage to the macula.

Cataracts

A common eye condition where the lens of the eye becomes progressively opaque, leading to blurred vision.

Glaucoma

A group of eye conditions that damage the optic nerve, often due to abnormally high pressure in the eye, leading to vision loss.