Holly E.R. Morrell, PhD, MA

Professor, Psychology

Contact Information

Email [email protected]
Phone 909-558-7221

Department of Psychology
Loma Linda University, Central Building, Office 120
11130 Anderson St., Loma Linda, CA  92350

Degrees

  • PhD, Clinical Psychology - Texas Tech University, 2007
  • MA, Psychology - Texas Tech University, 2004

Areas of Specialization

  • Combustible cigarette use
  • E-cigarette use
  • Video game addiction
  • Advanced multivariate analysis

Professional Licenses and Memberships

  • Psychologist, State of California (PSY26774)
  • Society for Research on Nicotine and Tobacco (SRNT)
  • American Psychological Association (APA)
  • Psi Chi, National Honor Society in Psychology
  • Golden Key National Honor Society

Recent Publications and Presentations

Publications

  • Hodgins, J., Mazzone, E., Franklin, E., Greenberg, S. R., Morrell, H. E. R., & Boustani, M. M. (2025). TextSavvy: Exploring the effectiveness of a text messaging adjunct to a dialectical behavior therapy (DBT) skills training intervention. Journal of Technology in Behavioral Science. https://doi.org/10.1007/s41347-025-00492-4.
  • Lee, K. J., Morrell, H. E. R., Lee, H. J., & Van Dyk, T. R. (2024). Sleep characteristics of an international sample of adult gamers. Sleep Science, 17(02), e166-e175. DOI: 10.1055/s-0043-1776751.
  • Triplett, O. M., Morrell, H. E. R., & Van Dyk, T. R. (2024). Insomnia severity and obesity mediated by health behaviors in adolescents. Journal of Pediatric Psychology. Advance online publication: https://doi.org/10.1093/jpepsy/jsae098.
  • Taylor, E. J., Morrell, H. E. R., Ada, H. M., Dupee, C., Jordan, M., Radovich, P., & Boyd, K. C. (2024). Do nurse spiritual responses to trauma explain nurse outcomes? A correlational observational study. Nursing Outlook, 72(6).
  • Fenning, R. M., Neece, C. L., Sanner, C. M., & Morrell, H. E. R. (2023). Efficacy and implementation of stress-reduction interventions for underserved families of autistic preschoolers across in-person and virtual modalities. Mindfulness. Advance online publication: https://doi.org/10.1007/s12671-023-02250-0.
  • Neece, C. L., Fenning, R. M., Morrell, H. E. R., & Benjamin, L. (2023). Comparative effects of mindfulness-based stress reduction and psychoeducational support on parenting stress in families of autistic preschoolers. Autism: International Journal of Research and Practice. Advance online publication: https://doi.org/10.1177/13623613231191558.
  • Tran, D. D., & Morrell, H. E. R. (2023). E-cigarette use: The effects of psychological vulnerabilities, perceptions, and intentions to use e-cigarettes. Psychological Reports. Advance online publication: doi: 10.1177/00332941231161277.
  • Lee, H. J., Lee, K. L., & Morrell, H. E. R. (2022). Development and psychometric validation of a novel self-report measure of ICD-11 Gaming Disorder. Cyberpsychology, Social Networking, and Behavior, 25(10), 649-656.
  • Tran, D. D., Herbozo, S., Stevens, S. D., Lee, H. J., Martinez, S. N., & Morrell, H. E. R. (2022). BMI as a moderator of the relationship between stigmatizing attitudes and smoking: An exploratory study. Journal of Substance Use, 1-7.

Presentations

  • Lui, J. Y., Callaci, C. R., Morrell, H. E. R., Van Dyk, T., Neece, C. L., & Nair, A. (2025, May). Mediating Effect of Anxiety on the Relationship between Sleep Difficulties and Deficits in Social Motivation Among Autistic Youth. Annual Meeting of the International Society for Autism Research, Seattle, WA.
  • Hodgins, J., Mazzone, E., Greenberg, S., Morrell, H. E. R., & Boustani, M. M. (November 14-17, 2024). TextSavvy: Examining the effectiveness of a text messaging adjunct to a DBT skills intervention for youth in a low resource community. In Mazzone, E., (Chair) and Dexter-Mazza, E. (Discussant), School-Based Opportunities for Adolescent Recovery (SOARing): A School-Based, DBT-Skills Targeted Intervention for Adolescents [Symposium]. Presented at the 58th Annual Convention of the Association of Behavioral and Cognitive Therapies (ABCT), Philadelphia, PA.
  • Mazzone, E., Hodgins, J., Greenberg, S., Marin, D., Morrell, H. E. R., & Boustani, M. M. (November 14-17, 2024). Project SOARing: The Impact of School-Based DBT Skills on Depression and Anxiety. In Mazzone, E., (Chair) and Dexter-Mazza, E. (Discussant), School-Based Opportunities for Adolescent Recovery (SOARing): A School-Based, DBT-Skills Targeted Intervention for Adolescents [Symposium]. Presented at the 58th Annual Convention of the Association of Behavioral and Cognitive Therapies (ABCT), Philadelphia, PA.
  • Hodgins, J., Greenberg, S. R., Ring, C., Lee, H. J., & Morrell, H. E. R. (2023, August). Factor structure of the Lee-Morrell Gaming Disorder Questionnaire across demographic groups. Poster to be presented at the Annual Meeting of the American Psychological Association, Washington, DC.
  • Neece, C. N., Fenning, R. M., Sanner, C. M., & Morrell, H. E. R. (2023, May). Implementation and efficacy of stress-reduction interventions for parents of preschoolers with ASD across in-person and virtual modalities. Poster presented at the Annual Meeting of the International Society for Autism Research, Stockholm, Sweden.
  • Neece, C. N., Fenning, R. M., & Morrell, H. E. R. (2023, April). Stress-reduction interventions for parents of young children with autism: Results from the STEPS Project. Symposium presented at the 55th Gatlinburg Conference, Kansas City, MO.
  • DeMercy, H., Brenner, C. A., & Morrell, H. E. R. (2023, April). Impairments in social functioning are predicted by cannabis use and schizotypy. Poster presented at the Annual Meeting of the Western Psychological Association, Riverside, CA.
  • Ring, C., Nicolas, D. M., Lee, H. J., & Morrell, H. E. R. (2023, April). Psychometric validation of measures of addiction and cognition adapted for video game use. Poster presented at the Annual Meeting of the Western Psychological Association, Riverside, CA.
  • Ring, C., Nicolas, D. M., Lee, H. J., & Morrell, H. E. R. (2023, April). The relationship between loneliness and problematic video game use among an international sample. Poster presented at the Annual Meeting of the Western Psychological Association, Riverside, CA.
  • Triplett, R., Sonne, J. S., & Morrell, H. E. R. (2023, April). A re-examination of factors mediating the relationship between cyberbullying victimization and suicide attempts in a nationally representative adolescent sample. Poster presented at the Annual Meeting of the Western Psychological Association, Riverside, CA.
  • Aghbashian, D., Jalal, R., Gutierrez, H., Verma, N., Laulette, K., Morrell, H. E. R., Beardon, C., Karlsgodt, K., & Nair, A. (2023, February). Moderating impact of trauma on brain regions underlying social cognition in early onset psychosis. Poster presented at the Annual Meeting of the International Neuropsychological Society, San Diego, CA.
  • Lee, H. J., Millham, B., Lee, K., & Morrell, H. E. R. (2021, August). Correlates of problematic gambling as correlates of problematic video game use. Poster presented at the Annual Meeting of the American Psychological Association, San Diego, CA. 
  • Millham, B., Lee, K., Lee, H. J., & Morrell, H. E. R. (2021, April). Depression as a mediator between combat zone experience and substance abuse and dependence among veterans. Poster presented at the Virtual Annual Meeting of the Western Psychological Association.