i. Chronological:
Chronological age describes a person actual age in
years.
Chronological age describes a person actual age in
years.
ii. Mental
age: Describes a
person’s age with regard to his mental development. Mental age is usually
determined by series of test e.g. psychological test of intelligence. A
retarded child may be 12 years old but have a mental age of 5 years old.
age: Describes a
person’s age with regard to his mental development. Mental age is usually
determined by series of test e.g. psychological test of intelligence. A
retarded child may be 12 years old but have a mental age of 5 years old.
iii. Physiological: Physiological age applied to the age as assessed
from the person appearance e.g. grey hair and wrinkled face.
from the person appearance e.g. grey hair and wrinkled face.