Defence hypothesis (Hd)
Definition
The proposition advanced by the defence, typically that the material came from an unknown unrelated individual or that the defendant was not present. The analyst must choose a realistic Hd; an implausible Hd inflates the LR artificially.
Related terms
- Likelihood ratio (LR)
- The ratio of two conditional probabilities: the probability of the observed evidence given the prosecution's hypothesis (same source), divided by the probability...
- Posterior odds
- The ratio of the probability of the prosecution hypothesis to the probability of the defence hypothesis after the forensic evidence is taken...
- Prior odds
- The ratio of the probability of the prosecution hypothesis to the probability of the defence hypothesis before the forensic evidence in question...
- Prosecution hypothesis (Hp)
- The proposition advanced by the prosecution, typically that the defendant is the source of the recovered material or was present at the...
- Prosecutor's fallacy
- The error of treating the RMP (or its reciprocal) as the probability that the defendant is innocent, or as the probability that...
Explained in
- Bayes Theorem in Evidence EvaluationThe proposition advanced by the defence, typically that the material came from an unknown unrelated individual or that the defendant was not present. The analy...