Consider the following statements:
(i) A primary group is relatively smaller in size.
(ii) Intimacy is an essential characteristic of a primary group.
(iii) A family may be an example of a primary group.
In the light of the above statements, which one of the following is true?
All families are primary groups.
All primary groups are families.
A group of smaller size is always a primary group.
Members of a primary group know each other intimately.
Option 4 : Members of a primary group know each other intimately.