Tasmanian Numbered Acts Tasmanian Numbered Acts79. Exception: opinion based on specialised knowledge
If a person has specialised knowledge based on the person's training, study or experience, the opinion rule does not apply to evidence of an opinion of that person that is wholly or substantially based on that knowledge.
79A. Specialised knowledge of child behaviour
A person who has specialised knowledge of child behaviour based on the person's training, study or experience (including specialised knowledge of the impact of sexual abuse on children and their behaviour during and following the abuse) may, where relevant, give evidence in proceedings against a person charged with a sexual offence against a child who, at the time of the alleged offence, had not attained the age of 17 years, in relation to one or more of the following matters:
(a) child development and behaviour generally;
(b) child development and behaviour if the child has had a sexual offence, or any offence similar in nature to a sexual offence, committed against him or her.
Note: This section does not appear in the Evidence Act 1995 of the Commonwealth.