Examlex
What is random assignment and how does it differ from random selection?
Standard Score
A statistical measure that expresses an individual's score relative to an average or mean score of a standardized test, often using a known standard deviation to scale the results.
WRAT
The Wide Range Achievement Test is a standardized test that assesses reading, spelling, and arithmetic skills.
Cognitive Ability Test
An assessment designed to measure mental capabilities such as logic, reasoning, and problem-solving.
No Child Left Behind Act
A U.S. Act of Congress that reauthorized the Elementary and Secondary Education Act; it included measures designed to close the achievement gap with accountability, flexibility, and choice, so that no child is left behind.
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