Answer:
Authoritative.
Step-by-step explanation:
Authoritative: Authoritative management strategies include a person having high demands and responsiveness at the same time. A person having authoritative management skills is responsive towards the child's needs and at the same time expecting high standards. The person enforce boundaries and sets limits for the child. This is one of the best approaches while dealing with a child.
In the question above, Mr Delaney has authoritative classroom management strategies.