Yes, learning any form of self-defense works no matter how simple or intense the course may be, especially because a good self-defense course will teach you both life-saving situational awareness & defense techniques ie. to first avoid a situation and then the safest & quickest way to defend yourself to run away.

Can you legally defend yourself?

In NSW, a person is permitted to defend themselves inside their home, per the 2001 NSW Crimes Act. However, an amendment made in the early 2000s means a homeowner can only use the trespassing defence if they had injured, not killed the intruder. ... Perception is also key if self-defence cases go to a jury trial.

Are self Defence classes effective?

Tougaw: Self defense classes are useless and are more likely to get you hurt than help in any way. ... The first thing to keep in mind when discussing these self defense programs is to think about what scenario you will potentially use it in.