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The current version of IDEA allows states to replace severe discrepancy as defining criterion with evidence that the student
Census
An official count or survey of a population, typically recording various details of individuals, such as age, sex, occupation, and nationality.
Representative Sample
A representative sample is a subset of a population that accurately reflects the members of the entire population, used in statistical analysis to make inferences about the population.
Experimental Method
A research methodology that involves manipulating variables to test hypotheses and observe effects.
Spurious Relationship
A statistical association between two variables that appears to be causally linked but is actually due to a third variable or a coincidence.
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Q47: The most important characteristic in evaluating a