One Fundamental Assumption of Item Response Theory Is That Each

question 2

Multiple Choice

One fundamental assumption of item response theory is that each item is constructed so that it measures only one trait or ability. This assumption is known as:

• A)the one-trait assumption.
• B)single ability measurement.
• C)unitary attribute theory.
• D)unidimensionality.

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Definitions:

Metaphor

A figure of speech that describes an object or action in a way that isn’t literally true, but helps explain an idea or make a comparison.

Love

An intense feeling of deep affection or emotional connection towards someone or something.

Rose

A type of flowering shrub of the genus Rosa, in the family Rosaceae, or the flower it bears.

Concept

Concept is an abstract idea representing the fundamental characteristics of what it represents.