For a Given Item, When the Performances of Those Whose

question 42

Multiple Choice

For a given item, when the performances of those whose overall scores put them among the highest third of the group are compared with those who scored among the lowest third of the group, the resulting difference is called the

• A) discrimination index (DI).
• B) item difficulty level (IDL)
• C) item response test (IRT)
• D) discrimination of performance evaluation (DOPE)

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Definitions:

Cortex

The outermost layer of the brain, responsible for complex functions including memory, attention, perception, cognition, awareness, thought, language, and consciousness.

Dark Adaptation

The process by which the eyes increase their sensitivity to low levels of light, allowing for better vision in dark conditions.

Retinaldehydes

A form of vitamin A that serves as a precursor to retinoic acid, used in skincare for its anti-aging properties.

Trichromatic Theory

A theory in color vision proposing that the human eye has three types of receptors with differing sensitivities to different light wavelengths, corresponding to red, green, and blue.