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Economies of scope are savings acquired by
Raw Score
The initial, unadjusted score obtained directly from a test or assessment before any transformations or normative comparisons.
Assessing Reliability
The process of determining the consistency and stability of a measurement tool or test over time.
Internal Consistency
A measure of reliability which evaluates how strongly items in an assessment are related in a single administration.
Test-Retest
A method of determining the reliability of a test by administering the same test to the same subjects at two different points in time.
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