When 100% of the Test-Takers Get an Item Correct, the Item

question 38

Multiple Choice

When 100% of the test-takers get an item correct, the item will have a

• A)low difficulty index (0%).
• B)high discriminability index.
• C)discriminability index of approximately .5.
• D)very low discriminability index.

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Definitions:

Surface Freshwater

Bodies of water found on the Earth's surface, such as rivers and lakes, that contain low concentrations of salt.

Great Lakes

A group of five large freshwater lakes located on the border between the United States and Canada, known for being the largest group of freshwater lakes by surface area in the world.

Canada

A country located in the northern part of North America, known for its vast landscapes, multicultural diversity, and strong national healthcare system.

St.Lawrence River

A large river in North America, flowing from the Great Lakes to the Atlantic Ocean, and serving as a vital waterway for transportation and ecosystems.