Psychosocial development theory
Social challenges contribute to identity development throughout life.
Theory The classification describes how this account is used here; it is not an evidence rating.
Central claim
Personality and identity develop across the entire lifespan as individuals negotiate eight sequential psychosocial tensions linking personal maturation with changing social relationships and cultural expectations.
Proposed mechanism
Erikson described recurring tensions such as trust and mistrust, identity and role confusion, or generativity and stagnation. Their resolution concerns relationships and social participation rather than maturation alone.
Evidence: (Spielman et al., 2020)
What would it predict?
A lifespan account directs attention to changing identity and generativity concerns beyond childhood. Specific tests must define these constructs and compare age with historical cohort and life circumstances.
An original test formulation derived from the account, not a claim that this exact study was performed.
Evidence and status
OpenStax presents the eight psychosocial stages formulated by Erikson (1950, 1968) as a historically influential lifespan account. That presentation is evidence of the theory's conceptual scope, not proof of a rigid universal timetable.
Evidence: (Spielman et al., 2020)
Major contributors
Erik Erikson; Joan Erikson's later lifespan contributions
A selective attribution, not a complete intellectual genealogy or a sole-founder claim.
Apply the explanation
Original teaching scenario
A person mentoring younger colleagues reconsiders what they want to contribute, a generativity question that need not occur at one fixed age.
Constructed for learning. This scenario does not report an empirical result.
Common confusion: Childhood-only stage theories or one-time crisis resolution
Psychosocial development spans infancy through late adulthood, and earlier tensions such as trust or identity can be revisited when life circumstances change.
Evidence: (Spielman et al., 2020)
Limits and alternatives
- The stages are broad and difficult to falsify without precise measures. People revisit concerns, follow different life paths and experience social opportunities unequally; no birthday guarantees resolution.
Evidence: (Spielman et al., 2020)
Textbook connection
Direct coveragePsychology 2e: 9.2 Lifespan Theories
This section directly discusses the account presented here. The profile is an original synthesis, not a reproduction of the textbook.
Related explanations
Sources and inspection notes
Checked October 21, 2026. An inspection date is not a publication date. Original experiments described by a textbook are not individually re-audited unless a separate primary source is listed.
- Spielman, R. M., Jenkins, W. J., & Lovett, M. D. (2020). Psychology 2e. OpenStax. https://openstax.org/books/psychology-2e/pages/9-2-lifespan-theoriesTextbook section inspected, October 21, 2026
Supports the introductory account and historical framing. Does not independently verify every original experiment cited by the textbook.