If an Item-Discrimination Index Is Negative

question 92

Multiple Choice

If an item-discrimination index is negative

• A) high scorers are more likely to have answered the item correctly than low scorers.
• B) low scorers are more likely to have answered the item correctly than high scorers.
• C) the alternate form of the test is probably not equivalent.
• D) the computer scoring is in error because this index is not supposed to be negative.

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Definitions:

Dendritic Growth

The process through which neurons develop dendrites, which increase the surface area for synaptic connections.

Visual Cortex

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

Hippocampus

A seahorse-shaped structure in the brain important for learning and memory.

Prenatal Exposure

The exposure of an unborn baby to substances, conditions, or diseases while in the womb, which can affect development and health outcomes.