An IRT Tool Useful in Helping Test Users Abbreviate a "Long

question 123

Multiple Choice

An IRT tool useful in helping test users abbreviate a "long form" of a test to a "short form" is the

• A) item response curve.
• B) information function.
• C) item trace line.
• D) None of these

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Definitions:

MEO

Medium Earth Orbit, a term used in satellite communications to describe the orbit of satellites located approximately 2,000 to 35,786 kilometers above the earth's surface.

GPS System

Global Positioning System, a satellite-based navigation system used to determine the precise location of an object or person on Earth.

GEO

Geostationary Earth Orbit, a type of orbit around the Earth that allows satellites to appear stationary relative to a position on the Earth.

LEO

Low Earth Orbit, an orbit around Earth with an altitude between 160 kilometers and 2,000 kilometers, used for communication satellites.