The Index of Item Difficulty Can Vary from

question 30

Multiple Choice

The index of item difficulty can vary from

• A) 0 to 100
• B) -1.0 to +1.0
• C) 0.0 to +1.0
• D) 0.5 to +1.0

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Definitions:

Sleepwalking

A sleep disorder where a person walks or performs other complex behaviors while in a state of sleep.

REM Sleep

A phase of sleep characterized by rapid eye movements, during which the most vivid dreams occur, and is considered critical for memory consolidation and learning.

Psychological Effects

The impact of psychological factors on an individual's mental well-being and behavior.

Physical Effects

The tangible or observable impacts or changes on the body resulting from various factors, such as disease, environmental conditions, or treatments.