2 Membership, Norms, and Roles
Understand how group membership, shared expectations, social positions, and group attachment shape behavior and relationships.
Membership and belonging
Groups involve interaction, some degree of shared belonging, and expectations that shape behavior. A study group, sports team, family, or workplace may organize membership differently while still developing shared identities and patterns of conduct.
Membership may be formal, with defined entry rules and recognized positions, or informal, grounded in repeated interaction and a sense of belonging. Some groups are intimate and long-lasting, while others are more task-focused and impersonal.
A is one a person belongs to or compares themselves with as a guide for behavior and self-evaluation. The distinction between an , experienced as “us,” and an , experienced as “them,” shows how belonging can create solidarity while also marking boundaries and excluding people.
Membership is more than a label: it involves participation, recognition by others, and sometimes meeting formal or informal expectations. Joining a volunteer organization may require registration, while acceptance by its members may also depend on showing up reliably and learning customary ways of working.
and shared expectations
are shared expectations that guide behavior. They make behavior more predictable and can help a group coordinate, protect its goals, and signal who is considered a member. develop through interaction and may be reinforced by approval, criticism, rewards, or exclusion.
Some are explicit, such as written rules; others are informal, such as taking turns in conversation or responding to messages within the group’s usual timeframe. may apply differently to members depending on their position or experience in the group.
are not always fair or beneficial. An expectation that team members meet deadlines can support cooperation, while an unwritten rule that newer members must never question senior ones can discourage useful criticism. Members may comply publicly without privately agreeing, and can be challenged or revised as circumstances change.
Statuses and roles
is a recognized social position, while a is the behavior expected of someone who occupies a position. A may be ascribed, meaning assigned or given rather than chosen, or achieved through action or accomplishment. One person can occupy multiple statuses and face different expectations in each. For example, a student may be expected to contribute in class, meet course deadlines, and collaborate with classmates.
Groups develop as members take on different responsibilities. Task-focused roles may include organizing information; relationship-focused roles may include encouraging participation or resolving tension. A member can perform several roles at once, and roles may be formal assignments or informal patterns that emerge through interaction.
Expectations are communicated and interpreted, not simply imposed. Members may accept, adapt, negotiate, or resist them.
pressure and negotiation
occurs when demands within one are difficult to meet, such as when a group coordinator is expected to manage every detail. occurs when expectations from different roles clash, such as a work deadline conflicting with a family responsibility.
Groups can address these tensions by clarifying responsibilities, sharing tasks, and renegotiating expectations. In a project team, for example, members may discuss an expectation that one person always take notes, giving them a chance to renegotiate that informal while preserving cooperation.
Cohesion and group dynamics
describes members’ attachment to a group and motivation to remain in it. Frequent interaction, shared goals, a history of working together, and success can help build cohesion. Cohesion can encourage participation, cooperation, and loyalty, but it does not guarantee good decisions or strong performance.
If a group’s discourage dissent, members may suppress concerns to preserve unity. Outcomes also depend on whether members support the group’s goals. A project team that meets regularly and shares a clear purpose may develop trust and divide work according to members’ strengths, but an informal such as always taking notes can become unequal or limiting. Discussing that expectation lets members reconsider it while maintaining cooperation.
Membership creates boundaries and a sense of belonging; guide conduct, statuses locate people within group relationships, and roles translate positions into expected behavior. Groups can support cooperation while also making room to question unfair and renegotiate roles as needs change.