Which Is True Regarding the Item Characteristic Curve, or "S

question 36

Multiple Choice

Which is true regarding the item characteristic curve, or "S" curve, in Item Response Theory (IRT) ?

• A) It assumes that as people's abilities increase, their probability of answering the item correctly decreases.
• B) A tall "S" means that an item has difficulty discriminating across ability.
• C) IRT and the S curve assist in writing items to target specific ranges of ability.
• D) It is useful in predicting the Standard Error of the Estimate.

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Definitions:

Privacy

The right of individuals to keep their personal information out of public view and to make choices about how their personal information is used.

Convulsion

An abrupt, involuntary muscle contraction often associated with a sudden electrical discharge in the brain, leading to uncontrolled body movements.

Brain Malfunctions

Disorders or dysfunctions in the brain leading to various symptoms like memory loss, impaired judgement, or physical impairments.

Involuntary Contractions

Muscle contractions that occur without the conscious control of the person, such as muscle spasms or reflex actions.