Examlex
Accountants do not have to worry much about systems studies-they are rarely affected by them.
Reliability
The consistency and dependability of a measurement, test, or assessment over time.
Validity
The extent to which a test or instrument measures what it claims to measure.
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.
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