The concept of ‘primary groups’ is a significant of C.H. Cooley to the social thought. Building black of human societies throughout the world history.

Characteristics of primary groups.

(a) Dominance of primary or face-to-face relationships: Primary groups are characterized by close and intimate relationships. These exists a face-to-face relationship among the members. In primary groups everyone knows everyone else; one’s name and fame, one’s status, wealth, occupation, level of education etc.

(b) Small in size: Primary groups are generally small in size, because its consists of few members. Size of primary groups should be small if the relations among members are to be close personal and intimate.

(c) Physical Proximity or Nearness: Face-to-face relations can be found only when members reside in particular area more or less permanently. Seeing and talking with each other facilitates the exchange of ideas, opinions and sentiments.

(d) Durability of the groups: Primary groups are relatively a permanent groups. Other things equal, the longer the groups remains together, the more numerous and deeper are the contacts between its members.

(e) Similarity of Background: The members of the primary groups may have more or less the same background, these must be some approximations in their levels of experience. Each must have something to contribute to give as well as to take.

(f) Shared Interest: The shared interests of the groups also hold them together. Any interest becomes focused and enriched in the group process. Since all are working for a common cause each acquires stimulation and a heightening of the emotional significance of the interest.