Practical Science Key Terms
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Last updated 6:14 PM on 1/1/26
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11 Terms
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Valid measurements
When a method accurately measures what is meant to be measured
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Accurate Results
When results are close to true value
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Precise Results
When results are close together
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Repeatability
How accurately results can be produced again by the same person with the same equipment and conditions
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Reproducibility
How accurately results can be produced again by a different person with different equipment and conditions
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Uncertainty of a measurement
Interval in which the true value of a measurement is expected to be
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Measurement error
Difference between measured value and true value
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Random error
Error caused by results varying around true value in an unpredictable way
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Systematic Error
Consistent difference between measured values and true values, usually caused by miscalibration of measuring equipment
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Zero Error
Measuring equipment showing incorrect reading when true value should be 0
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Fair test
A test in which only the independent variable is allowed to affect the results
Note 
Flashcards (97)