Chart: Does my witness need to be qualified as an expert to give an opinion based on generalizations?

 



For additional reading, check out this article by Edward J. Imwinkelried: 

Distinguishing Lay from Expert Opinion: The Need to Focus on the Epistemological Differences Between the Reasoning Process Used by Lay and Expert Witnesses, 68 SMU L. Rev. 73 (Winter 2015)

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