Examlex
What cognitive abilities do children acquire during the concrete operations stage?
Reliability
In measurement, the tendency of an instrument to provide the same comparative information on repeated occasions.
Generalizability
The degree to which a measurement can be found under diverse circumstances, such as time, context, participant population, and so on. In modern psychometrics, this term includes both reliability and validity.
Reliability
In statistics and psychometrics, it refers to the consistency and dependability of a test, measurement, or evaluation over time.
Validity
The degree to which a measurement actually reflects what it is intended to measure.
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