Examlex
A converging lens always forms an object's image at the focal point of the lens.
Reliability
How much a testing tool generates consistent and stable outputs over various times.
Validity
Refers to the extent to which a concept, conclusion or measurement is well-founded and likely corresponds accurately to the real world.
Accuracy
The degree to which a measurement or estimation matches the true value or standard.
Reliability
The degree to which an assessment tool produces stable and consistent results over multiple measurements.
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