(1) In conducting an investigation and assessment under section 15, the Director may —
(a) visit the residence of the child and other place frequented by the child;
(b) transport a child to a place the Director considers appropriate;
(c) interview a child;
(d) interview a parent of a child;
(e) interview a person who cares for a child or a person who has had an opportunity to observe the child;
(f) interview a person who provides health, social, educational and other services to a child or a parent of the child;
(g) request information to be provided to the Director from medical, social, educational and other service records concerning a child, a parent of the child or both;
(h) cause an examination to be made of the physical, mental and emotional health and development of a child;
(i) request a parent of a child to undergo an examination of his or her physical, mental, or emotional health or other assessment;
(j) cause an analysis of the economic and other factors affecting the life of a child; or
(k) consult with other persons and gather other evidence as may be necessary to complete the investigation.
(2) In conducting an investigation or making an assessment under this Act, the Director shall have regard to a known or expressed wish of the child, taking into account the age and maturity of the child and the extent to which the child appears to be in need of care and protection.