| Small Group | Large Group |
| (i) Informal in nature and unpatterned. | (i) Formal in nature and patterned. |
| (ii) Based on informal nature of interaction. | (ii) Based on formal nature of interaction. |
| (iii) There is personal interaction. | (iii) Personal interaction is difficult. |
| (iv) Small in size. | (iv) Large in size. |
| (v) Examples – Family, Dyad-Triad, Kin group. | (v) Examples-Race, Nation, State, University. |