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Analytical sensitivity
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The ability of the assay to distinguish the analyte of interest from structurally similar substance
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Analytical specificity
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The degree of interference by compounds that may resemble but differ from the analyte to be quantified
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Linearity
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The ability of an assay to give concentrations that are directly proportional to the levels of the analyte following sample dilution
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Precision
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The agreement between replicate measurements
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Limit of detection
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The lowest concentration of analyte significantly different from zero, also called the analytical sensitivity
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Accuracy
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Agreement between the best estimate of a quantity and its true value
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Repeatability
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Describes measurements made under the same conditions
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Reproducibility
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Describes measurements done under different conditions
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Robustness
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Precision of an assay following changes in assay conditions, e.g., variation in ambient temperature, storage condition of reagents
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