Members of the primary group conduct themselves informally, interact spontaneously, sympathetically to one another, and enjoy each other’s company;
while in the secondary group, members conduct themselves according to role expectation and treat each other with acknowledgement to status and degree of acquaintance.
Primary group engages on a personal level of intimate relationship and strong bonds of association, andemotional attachment; while secondary group engages in transactional relationships for pursuit, facilitationand attainment of goals.
Formal group is intentionally formed and planned for carrying out specific purposes; while informal group isformed unplanned and spontaneously established out of random association and interaction.
Membership in the open group is open for everyone; while in closed group, it is exclusive to a selected numberof persons either by quota or qualifications.
Interest groups are formed for the purpose of protecting and promoting the trade, interests, and well-being of its members;
while pressure groups are from the private sector of society that are formed to influence the public’s views.
Task groups, on the other hand, constitute a pool of workers labor force, or performersfollowing a chain of command for the purpose of completing a task.
In-group members have a sense of loyalty, camaraderie, and solidarity.
Non-members are considered “outsiders”, “the others”, or “strangers.”
While in an out-group, one is perceived to be apart from the others. They are often perceived as odd and indifferent.
Minority groups, on the other hand, are relatively less dominant in terms of its size, status, or degree of influence. While, in reference group, one is not necessarily a member but they serve a comparative basis for self-evaluation.