Answer: On-time
Step-by-step explanation:
Autonomous morality is defined as feature that is present in children for understanding the regulation that are made by people for others .He/she tends to perceive moral reasoning for situation where mutual respect, settlement or cooperation is present through rules .
Child will able to understand that these rules for cooperation are implemented for the requirement, respect ,emotion and feelings of people. Autonomous morality is developed from age of about 7 years to 10 years old.
According to the question,autonomous morality is used by the 8-year old child for perceiving the behavior shown by a person is displaying that development of that child is happening as per on time i.e.-age of 8 years.