A generalised judicial observation about how a reasonable person would behave in particular circumstances, not based on evidence in the case and not falling within common knowledge under s 144 of the Evidence Act, may give rise to apprehended bias if it forms an integral part of the judge's reasoning rather than a mere aside. Where apprehended bias is established, relief should ordinarily be granted regardless of the strength of the case, because apprehended bias raises a question of possibility not probability. The dissent illustrates that such observations may be characterised as permissible testing of an independently reached conclusion against common experience where the judge had other sound bases for the finding.
The full text is available to signed-in members, including the 6 later cases that cite this judgment.
1 of the 6 citing cases carry a classified treatment. How each court treated it is available to signed-in members.