Dr. Janet Sonne

Emeritus Professor, Psychology

Contact Information

Email jsonne@llu.edu
Phone 909-214-4327

8941 Atlanta Ave., #132
Huntington Beach, CA 92646

Degrees and Certifications

  • PhD, Clinical Psychology - University of California, Los Angeles, 1981
  • MA, Personality Psychology (Experimental) - University of California, Santa Barbara, 1976
  • BA, Psychology - Stanford University, 1973

Areas of Specialization

  • Ethical and legal issues in professional practice of clinical psychology (ethical/legal standards; ethical/legal decision-making; therapist misconduct)
  • Interpersonal dynamics in the psychotherapy dyad
  • Supervision/consultation
  • Adult and child sexual abuse
  • Adult and adolescent eating disorders
  • Adult and adolescent suicide

Professional Licenses and Memberships

  • California Licensed Psychologist, PSY 7826
  • American Psychological Association
    • Fellow of APA Division 42
  • California Psychological Association

Recent Publications and Presentations


  • Pope, K.S.; Chavez-Dueñas, N.Y.; Adames, H.Y.; Sonne, J.L.; & Greene, B.A. (2023). Speaking the unspoken: Breaking the silence, myths, and taboos that hurt therapists and patients. Washington, D.C.: American Psychological Association.
  • Wu, K. & Sonne, J.L. (2021). Therapist boundary crossings in the digital age: Psychologists' practice frequencies and perceptions of ethicality. Professional Psychology: Research and Practice, 52(5), 419–428. https://doi.org/10.1037/pro0000406 
  • Sonne, J.L.; Chan, N.; Anspikian, A. M.; Lincourt, T.M.S.; Cosanella, T.M.; Young, S.G.; Heavin, B.; Kao, I.Y.; & Thornton, K. (2020). Interpretation problems with the BASC-3 SRP-A F Index for patients with Depressive Disorders: An initial analysis and proposal for future research. Psychological Assessment, 32(9), 896-901. https://doi.org/10.1037/pas0000916  
  • Sonne, J.L. & Weniger, J.L. (2018). Ethical clinical practice: Negotiating a whole lot of gray in a wise way. In Butcher, J.N., Hooley, J.M., & Kendall, P.C. (Eds.) APA handbook of psychopathology (pp. 729-749). Washington, DC:  American Psychological Association.


  • Triplett, R., Morrell, H. E. R., & Sonne, J. L. (2023, April 30). A re-examination of factors mediating the relationship between cyberbullying victimization and suicide attempts in a nationally representative adolescent sample. Poster presented at the 103rd Annual Western Psychological Association Convention, Riverside, CA.
  • Handojo, D., & Sonne, J. (2021, April 28). Power dynamics in the dyadic therapeutic relationship. (Virtual conference poster presentation). Western Psychological Association 2021 Virtual Convention.
  • Patel, N. D., & Sonne, J. L. (2020, August 6-9). Therapist recognition of a potential nonsexual multiple relationship: Variable frequencies and elusive predictors. (Poster presentation). American Psychological Association Convention, Washington, D.C.
  • Raghani, P., Sonne, J., & Van Dyk, T. (2020, August 6-9). Insufficient sleep and onset of coronary artery disease: Race/ethnicity as a mediator. (Poster presentation). Minority Fellowship Program Achievement Awards, American Psychological Association Virtual Convention, Washington, D.C.
  • Patel, N., & Sonne, J. (2020, April 23-26). Therapist and client factors that predict the recognition of a potential nonsexual multiple relationship. (Poster presentation). California Psychological Association Convention, Newport Beach, CA. [Conference cancelled].
  • Wu, K., Sonne, J., Goldsmith, S. & Weniger, J. (2019, August). In-person and Internet-based nonsexual boundary crossings: Therapist ratings of ethicality and engagement. (Poster presentation.) Annual Convention of the American Psychological Association, Division 24 (Society for Theoretical and Philosophical Psychology), Chicago, IL.