Reproducibility, on the other hand, refers to the degree of agreement between the results of experiments conducted by different individuals, at different locations, with different instruments. What’s known as “the repeatability coefficient” is a measurement of precision, which denotes the absolute difference between a pair of repeated test results. For repeatability to be established, the following conditions must be in place: the same location the same measurement procedure the same observer the same measuring instrument, used under the same conditions and repetition over a short period of time. Repeatability practices were introduced by scientists Bland and Altman. Within scientific write ups, reproducibility and repeatability are often reported as standard deviation. The article From Crude Mixture to Pure Compound – Automatic Purification Made Easy discusses how scientists and researchers establish repeatability and reproducibility in more detail. Repeatability measures the variation in measurements taken by a single instrument or person under the same conditions, while reproducibility measures whether an entire study or experiment can be reproduced in its entirety. ![]() In general, scientists perform the same experiment several times in order to confirm their findings. Repeatability and reproducibility are ways of measuring precision, particularly in the fields of chemistry and engineering.
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