TYPES

of GROUPS

Primary groups

Social groups

Collectives

Categories

Primary Groups

small, long-term groups characterized by face-to-face interaction and high levels of

cohesiveness, solidarity, and member

identifications

Social Groups

small groups of moderate duration and permeability characterized by moderate

levels of interaction among the members

over an extended period of time, often in

goal-focused situations

Collectives

aggregations of individuals that form spontaneously, last only a brief period of

time and have very permeable boundaries

Categories

aggregations of individuals who are similar to one another in some way, such as

gender, ethnicity, religion, or nationality

*Types of Groups in IO Psychology

Formal arise from assigned tasks and responsibilities Command groups composed of individuals who report directly to a

certain manager

Task groups consisting of persons working together to complete a job task

Quality circles focuses on techno structural applications

Informal arise from formal groups; emerge over time through the interaction of workers

Interest groups formed because of some special topic interest

Friendship groups brought to together because they share one or more common characteristics

*Difference of Group and Team?

primarily, team is a kind of group which

emphasizes shared

leadership, mutual

accountability and

collective work

products

Thank you.