Stop Assessing Credibility Outside of the Box: Why Adjudicators Should Only Consider Demeanour of a Witness While on the Witness Stand
Assessing credibility is a critical role for adjudicators, in many cases. How to assess credibility requires its own book, but in this column, I will focus on the inappropriateness of relying on the facial and physical reactions (otherwise known as demeanour) of a party when they are not on the witness stand.
The relevance of demeanour is a persistent myth in adjudication. Even though studies have shown that our ability to judge whether someone is lying solely by their demeanour is about 50% (no better than a coin toss), it still is considered by the courts to be a factor . . . [more]
