A Group of 2-Year-Old Infants Are Selected for a Special

question 86

Multiple Choice

A group of 2-year-old infants are selected for a special program because their IQ scores are very low. Five years later, most of them have improved. One possible explanation is that the special program produced great benefits. Another explanation is that

• A) the validity of the test decreased over time.
• B) the low scores had nowhere to go but up.
• C) the mean IQ score is higher for 7-year-olds than for 2-year-olds.
• D) the utility of the test increased over time.

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Definitions:

Visual Cortex

The visual cortex is the part of the cerebral cortex of the brain that processes visual information, located in the occipital lobe.

Fovea

A small depression in the retina of the eye where visual acuity is highest, due to a high concentration of cones and absence of blood vessels.

Representation

the act of portraying, depicting, or standing in for something, often used in the context of mental models or symbols.

Periphery

Denotes the outer limits or edge of an area or object, often used in contrast to the center or core.