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Principles of Forensic DNA for Officers of the Court

Use of Statistical Evaluation of Forensic DNA Evidence

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Statistical Interpretation of the Match

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National Institute of Justice (NIJ) (see reuse policy).

Many courts require statistical interpretation of a DNA match. Random match probabilities and likelihood ratios are most often used to interpret evidence from single source samples.

Generally, once a DNA match is determined, a statistical computation is performed to estimate the statistical weight of that inclusion - the larger the number the more significant the inclusion.

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