The case of Allen v Chadwick [2015] HCA 47 [6.2.12C]. Which of the following factors or circumstances, personal to a defendant (or a plaintiff charged with contributory negligence) are relevantly taken into account when assessing whether the person has met the objective standard of reasonableness; and which factors are considered idiosyncratic and irrelevant to applying the objective reasonableness test?

1. The physical circumstances (eg, location, time, weather) in which persons finds themselves.
2. Being of a panicky or helpless disposition.
3. Pregnancy
4. Intoxication
5. Mental illness
6. Suffering a physical disability eg poor hearing, epilepsy
7. Being in a relationship of significant power imbalance, eg, as a victim of domestic violence
8. Gender
9. Knowledge (or lack of knowledge) of specific facts, eg of where you are and how far from town you are
10. Knowledge (or lack of knowledge) of specific facts is the result of an extraordinary failure of observation.