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:

Three Gorges

A region along the Yangtze River in China known for the Three Gorges Dam, the world's largest hydroelectric power station by total capacity.

China

A country in East Asia, known for its vast landscape, populous cities, and significant cultural and historical heritage.

Displaced

Refers to individuals or populations forced to leave their usual residence due to environmental changes, conflict, or other disruptions.

Overuse

Utilizing a resource to such an extent that it leads to its significant depletion or damage.