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Last updated 4:38 AM on 9/3/26
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4 Terms

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Reliability
The consistency of results when an investigation is repeated. Reliability is improved by repeating trials and calculating an average.
2
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Validity
How well an investigation measures what it is intended to measure. Validity is improved by controlling variables and using an appropriate method.
3
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Accuracy
How close a measured result is to the true or accepted value. Accuracy is improved by using precise, correctly calibrated equipment and reducing measurement error.
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