Concepts

Social identity

The part of self-understanding connected to meaningful group memberships.

Definition

Social identity is the aspect of a person’s self-understanding that derives from identification with social groups and the meanings attached to them.

How to understand it

A person may identify with several groups at once, including communities, professions, and voluntary associations. Membership and identification are distinguishable: being assigned to a category does not tell us how central it is to someone’s self-understanding. Which identity matters most can also depend on the situation.

When analyzing an identity, ask how the person describes the group connection and when that connection becomes relevant. Avoid substituting an outsider’s category for the person’s account. This approach can examine collective meaning while preserving variation among members, including disagreement about what the group represents or how membership should be expressed.

Changing points of reference

Teaching scenario

Imagine an architecture student who describes themself as a neighborhood resident at a local planning meeting and as a first-year student at a campus workshop. Both memberships matter, but each setting brings a different connection forward. At the planning meeting, the student says “we” when discussing local access to a public square. That usage provides a clue to identification, without proving that every resident agrees. The scenario illustrates a group-related part of the self while leaving room for personal preferences and other memberships that were not mentioned.

Constructed for learning. This scenario is not a report of an empirical finding or a diagnosis.

Common confusion: Self-concept

Self-concept includes many beliefs about oneself; social identity emphasizes the group-related part of that self-understanding.

Limits of the concept

  • Group membership does not imply identical beliefs or strong identification.
  • Identification can support belonging without inevitably producing hostility toward outsiders.

Textbook connection

Related contextPsychology 2e: 12.5 Prejudice and Discrimination

Contextual course treatment of identity and group memberships. The fuller social identity definition is supplied by Noba’s Identity and Membership subsection.

Supplementary concepts may extend beyond this section. The source notes below identify the evidence for those details.

Related concepts

Sources and inspection notes

Checked October 21, 2026. An inspection date is not a source publication date. Definitions and scenarios on this page are original teaching explanations.

  1. Forsyth, the psychology of groups. (n.d.). https://nobaproject.com/modules/the-psychology-of-groupsExpert-authored academic teaching module

    Identity and Membership subsection and social identity glossary checked. Inspected on 21 October 2026.

  2. Spielman, R. M., Jenkins, W. J., & Lovett, M. D. (2020). Psychology 2e. OpenStax. https://openstax.org/books/psychology-2e/pages/12-5-prejudice-and-discriminationCourse textbook subsection

    Title, URL, and relevant subsection text inspected on 21 October 2026. Used for concept checking and course navigation; no textbook exercises or illustrations reproduced.