D’Augelli’s Model of Lesbian, Gay, and Bisexual Development 

Brief Overview

This model introduced a lifespan sexual identity development in social environment.  Three core concepts interact within the theory: A) Personal/Subjective Actions; B) Interactive Intimacies; C) socio-historical connections.

About the Author

Dr. Anthony D’Augelli introduced a life span model of gay, lesbian, and bisexual identity and it is based on the concept that it is social construction.

Printable Summary (PDF)

Previous cohorts of FSU students have developed these printable summaries and used them to prepare for test and papers.  We hope they’ll be of help to you too.




Submitted by Xinye Hu and Kelvin Rutledge

Stages, Levels, Phases, and Components of the Theory

Stages, Levels, Phases, and Components of the Theory:  

  • Three interrelated variables in identity formation (lifespan model):
    • Personal actions and subjectivities – An individual’s self-concept in relation to his or her sexual behaviors, feelings and thoughts
    • Interactive intimacies – an individual’s inner circle’s response and interactions with partners
    • Sociohistorical connections – Society’s view, demographics of residence, and belief
  • The Identity Development Process
    • Exiting heterosexual identity – Acknowledgement of feelings and thoughts are not heterosexual in nature
    • Developing a personal lesbian/gay/bisexual identity status – An individual provides his or her own define to being homosexual
    • Developing a lesbian/gay/bisexual social identity – An individuals homosexual identity as it pertains to peer groups and social norms
    • Becoming a lesbian/gay/bisexual offspring – An individual’s success attempt to communicate his or her homosexual identity with parents/guardian and the consequence
    • Developing a lesbian/gay/bisexual intimacy status – An individual’s journey to a meaningful, intimate relationship, use of peer groups is sometimes necessary to facilitating the meeting process
    • Entering a lesbian/gay/bisexual community – An individuals recognition of injustices and triumphs and joining the community
Application of Theory to Practice

This section is designed to provide student affairs professionals, staff, and faculty members with tips and tools to apply theory to practice.

Annotations of Associated Literature





Submitted by Jenni Batchelder

Original Citation

D’Augelli, A.R. (1994). Identity development and sexual orientation: Toward a model of lesbian, gay, and bisexual identity development.  In E.J. Trickett, R.J. Watts, & D. Birman (Eds.), Human diversity: Perspectives on people in context (pp. 312-333). San Francisco: Jossey-Bass.

Additional Resources

This page was written and created by Ashlie Baty. The webpage is maintained by Amanda Peerce and Jesse Ford.  For information on the page, please contact Amanda Peerce at apeerce@fsu.edu or Jesse Ford at jford3@fsu.edu.