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The 3 Dimensions of Group Structure

Most human behaviors occur in small groups. Three dimensions characterize these groups. These dimensions include;

How they develop – the different types of groups found in social work are formed for a given purpose. A clear purpose characterizes these formed groups, and outsiders, such as agencies, influence their formation. On the other hand, natural groups come together naturally based on logically happening events, social attraction, or the communally perceived members' needs. Examples of formed groups include self-help and therapy groups, while those of natural groups include peer groups and street gangs.

The duration they last – based on this dimension, groups can be categorized as ongoing or limited-time. A limited-time group is characterized by a specified termination time, while an ongoing group does not have a definite end point. Both natural and formed groups can be ongoing or limited, long or short-term.

How membership is determined – formed and natural groups can be closed, open, or fluctuate between the two. An open group allows the addition of...