5.6.7.2 Who Qualifies as an Expert—Arizona and Federal Rule 702

JurisdictionArizona

Arizona and Federal Rule of Evidence 702 both require a witness to be qualified as an expert by “knowledge, skill, experience, training, or education,” and thus both provide a very broad base for qualifying someone as an expert. Whether a particular witness qualifies as an expert is for the trial court to decide. A lack of formal training does not necessarily disqualify a witness from being an expert. For example, a general contractor may testify as an expert on particular construction defects despite a...

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