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What is the difference between the true score and the observed score?
Animism
The belief that objects, places, and creatures all possess a distinct spiritual essence.
Kick-stand
A device attached to a bicycle or motorcycle allowing it to stand upright without support from another object or person.
Bicycle
A human-powered, pedal-driven vehicle with two wheels attached to a frame, one behind the other, used for transportation, recreation, or sport.
Reversibility
A principle in cognitive development where an action can be reversed, returning to its original state.
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