Irritability
Applied Network Science
Depression
Applied Data Mining
Suicide
Statistical Method Development
Equity
R Package/Shiny Development
Accepted
Olatunji, B.O., Liu, Q., Adamis, A. M., Mosby, M., (accepted at Psychological Trauma: Theory, Resarch, Practice, and Policy). Self-Reported Executive Dysfunction Predicts COVID-19 Traumatic Stress: A Prospective Study
Liu, Q., Nestor, B.A., Chandler, C.J., Friedman, M.R. (accepted at Archives of Sexual Behaviors). Disentangling the heterogeneity in minority stress among U.S. sexual minorities: A data mining approach
Liu, Q., Nelson, N., Tran, T., Fulford, D., Yung, A. (accepted at Personality and Individual Differences). Dynamics between Tonic Irritability, Phasic Irritability, and Loneliness in Adults: A Daily Diary Study
In press
Olatunji, B.O., Liu, Q. , Knowles, K., Jessup., S., (in press). State and Trait Disgust Uniquely Predict Avoidance in Contamination Fear: Specificity of Disease-Relevant and Irrelevant Individual Differences. Behavior Therapy.
Wilson, R. A., Ngyuen, R., Roberts, L., Liu, Q., & Cole, D. A. (in press). Social identity contact frequency and bias against asexual and nonbinary people in the LGBTQ+ community. Psychology of Sexual Orientation and Gender Diversity.
Rodriguez, V. J., Basurto, K. S., Finley, J.-C. A., Liu, Q., Khalid, E., Halliburton, A. M., Tse, P. K. Y., Resch, Z. J., Soble, J. R., & Ulrich, D. M. (in press). Multidimensional ADHD Symptom Profiles: Associations with Adverse Childhood Experiences. Archives of Clinical Neuropsychology. [link][pdf]
Rodriguez, V. J., & Liu, Q. (in press). Psychometric Evaluation of the Multidimensional Assessment of Parenting Scale in LGBTQIA+ Parents. Assessment. [link][pdf]
2025
Stanton, A. M., Trichtinger L.A., Kirakosian, N., Li, S.M., Kabel, K.E., Irani, K., Bettis, A.H., O’Cleirigh, C., Liu, R.T., & Liu, Q., (2025). Identifying Intersecting Factors Associated With Suicidal Thoughts and Behaviors Among Transgender and Gender Diverse Adults: Preliminary Conditional Inference Tree Analysis. Journal of Medical Internet Research, 27, e65452. [link] [pdf]
Shao, S., Xu, Z., Liu, Q., McClure, K., Jacobucci, R., Maxwell, S. E., Zhang, Z. (2025). Zero inflation in intensive longitudinal data: Why is it important and how should we deal with it? Psychological Methods. Advance online publication. [link] [pdf]
Liu, Q., Tang, M., & Rodriguez, V.J. (2025). Stigma Experiences of Sexual and Gender Minority Parents and Offspring Mental Health. JAMA Network Open, 8(4), e254502. [link] [pdf]
Cole, D. A., Abitante, G., Kan, H., Liu, Q., Preacher, K. J., & Maxwell, S. E. (2025). Practical Problems Estimating and Reporting Power When Hypotheses Are Embedded in Complex Statistical Models. Advances in Methods and Practices in Psychological Science, 8(1), 25152459241302300. [link] [pdf]
Shaughnessy, S., Tran, T., & Liu, Q. (2025). Network structure of phasic and tonic irritability in adults: A Bayesian Gaussian graphical model. Journal of Affective Disorders, 373, 149–157. [link] [pdf]
Tran, T., & Liu, Q. (2025). Intraindividual coupling of rumination and depressed affect in adults: Effects of perceived parental warmth and psychological control during adolescence. Journal of Affective Disorders, 376, 318–324. [link] [pdf]
2024
Liu, Q., Ning, E., Ross, M. K., Cladek, A., Kabir, S., Barve, A., Kennelly, E., Hussain, F., Duffecy, J., Langenecker, S. A., Nguyen, T. M., Tulabandhula, T., Zulueta, J., Demos, A. P., Leow, A., & Ajilore, O. (2024). Digital Phenotypes of Mobile Keyboard Backspace Rates and Their Associations With Symptoms of Mood Disorder: Algorithm Development and Validation. Journal of Medical Internet Research, 26, e51269.[link] [pdf]
Tang, M., Rodriguez, V. J., Stanton, A. M., Trichtinger, L. A., Yung, A., & Liu, Q. (2024). Identifying pathways from childhood adversity to suicidal thoughts and behaviors among sexual minority adults: An exploratory mediation analysis. Journal of Affective Disorders, 363, 532–541. [link][pdf]
Siciliano, R. E., Anderson, A. S., Gruhn, M. A., Henry, L. M., Vreeland, A. J., Watson, K. H., Ciriegio, A. E., Liu, Q., Ebert, J., Kuhn, T., Cole, D. A., & Compas, B. E. (2024). Momentary autonomic engagement during parent–adolescent conflict: Coping as a moderator of associations with emotions. Psychophysiology, 00, e14666. [link][pdf]
Liu, Q., Qiu, M., Nestor, B.A., Rodriguez, V. J., Cole, D.A. Mixture model applications in depression phenotyping: practices, challenges, and recommendations. Current Psychology. [link][pdf]
Rodriguez, V. J., LaBarrie, D.L., Adams, S., J., & Liu, Q. (2024). Parenting Measures and their Psychometrics in LGBTQIA+ Families: A Systematic Review. Child Psychiatry & Human Development. [link][pdf]
Rodriguez, V. J., Finley, J. C. A., Liu, Q., Alfonso, D., Basurto, K. S., Oh, A., Nili, A., Paltell, K. C., Hoots, J. K., Ovsiew, G. P., Resch, Z. J., Ulrich, D. M., & Soble, J. R. (2024). Empirically derived symptom profiles in adults with attention-Deficit/hyperactivity disorder: An unsupervised machine learning approach. Applied Neuropsychology: Adult, 1–10. [link][pdf]
Abitante, G., Cole, D. A., Bean, C., Politte-Corn, M., Liu, Q., Dao, A., Dickey, L., Pegg, S., & Kujawa, A. (2024). Temporal dynamics of positive and negative affect in adolescents: Associations with depressive disorders and risk. Journal of Mood & Anxiety Disorders, 7, 100069. [link][pdf]
Olatunji, B. O., Liu, Q., Cox, R. C., & Jessup, S. C. (2024). Ecological momentary assessment of positive and negative affect in PTSD. Journal of Psychopathology and Behavioral Assessment. [link][pdf]
Liu, Q., & Cole, D. A. (2024). Disaggregating person- and situation-specific heterogeneity: A categorical latent state-trait model. Computational Brain & Behavior, 7, 150–162 [link][code][pdf]
Liu, Q., & Cole, D.A. (2024). Identifying Subtypes in Persons, Situations, and Person-Situation Interactions: Categorical Latent State-Trait Modeling Approaches. British Journal of Psychology. [link][code][pdf]
Liu, Q., Davey, D., Jimmy, J., Ajilore, O., & Klumpp, H. (2024). Network Analysis of Behavioral Activation/Inhibition Systems and Brain Volume in Individuals With and Without Major Depressive Disorder or Social Anxiety Disorder. Biological Psychiatry: Cognitive Neuroscience and Neuroimaging, 9(6), 551–560. [link][pdf]
2023
Rodriguez, V. J., Kozlova, S., LaBarrie, D. L., & Liu, Q. (2023). Parental anxiety and pediatric vaccine refusal in a US national sample of parents. Vaccine, 41(48), 7072–7075. [link][pdf]
Quinn, M. E., Liu, Q., Cole, D. A., McCauley, E., Diamond, G., & Garber, J. (2023). Relations among symptoms of depression over time in at-risk youth. Journal of Psychopathology and Clinical Science, 132(8), 961–971. [link][pdf]
Nestor, B. A., Liu, Q., Sutherland, S., & Cole, D. A. (2023). The relation of depressive symptoms to theory of mind in adults. Journal of Affective Disorders, 339, 194–202. [link][pdf]
Siciliano, R. E., Anderson, A. S., Vreeland, A. J., Gruhn, M. A., Henry, L. M., Watson, K. H., Liu, Q., Cole, D. A., Ebert, J., Kuhn, T., & Compas, B. E. (2023). Physiology and emotions: Within individual associations during caregiver–adolescent conflict. Psychophysiology, e14397. [link][pdf]
Cole, D. A., Ciesla, J. A., Liu, Q. (2023). Latent variable modeling of continuous growth. In H. Cooper, P. M. Camic, D. L. Long, A. T. Panter, D. Rindskopf, & K. J. Sher (Eds.), APA handbook of research methods in psychology, Vol 3: Data analysis and research publication. (pp. 309–322). American Psychological Association. [link]
Liu, Q., Cole, D., Tran, T., Quinn, M., McCauley, E., Diamond, G., & Garber, J. (2023). Intraindividual phenotyping of depression in high-risk youth: An application of a multilevel hidden Markov model. Development and Psychopathology, 1–10. [link][pdf]
Liu, Q., Nestor, B. A., Eckstrand, K. L., & Cole, D. A. (2023). Stress proliferation in ethnoracial disparities of mental health among U.S. sexual minority adults. Cultural Diversity and Ethnic Minority Psychology. [link][pdf]
Liu, Q. (2023). A Discrete Latent State-Trait Model. Multivariate Behavioral Research, 58(1), 135–136. [link][pdf]
Chandler, C. J., Liu, Q., Brown, A. L., Matthews, D. D., Tsai, A. C., Bukowski, L. A., Eaton, L. A., Stall, R. D., & Friedman, M. R. (2023). Associations of past-year stigma and psychosocial syndemic conditions: Considerations for intersectional stigma measures among Black sexual minority men. Stigma and Health, 8(3), 372–380. [link][pdf]
Olatunji, B. O., Cox, R. C., Liu, Q., Garcia, A., & Jessup, S. C. (2023). Linking self-disgust, negative affect, and PTSD in sexual assault: An ecological momentary assessment approach. Psychological Trauma: Theory, Research, Practice, and Policy, 15(4), 567–575. [link] [pdf]
Lai, Y., Dai, L., Wang, T., Zhang, Y., Zhao, Y., Wang, F., Liu, Q., Zhan, S., Li, D., Jin, H., Fang, Y., Voon, V., & Sun, B. (2023). Structural and functional correlates of the response to deep brain stimulation at ventral capsule/ventral striatum region for treatment-resistant depression. Journal of Neurology, Neurosurgery & Psychiatry, 94(5), 379–388. [link][pdf]
Tran, T., Liu, Q., & Cole, D. A. (2023). Prospective and Contemporaneous Relations of Self-Esteem and Depressed Affect in the Context of Parent-Child Closeness during Adolescence: A Random-Intercept Cross-Lagged Panel Model. Journal of Youth and Adolescence, 52(3), 506–518. [link][pdf]
Liu, Q., Joiner, R. J., Trichtinger, L. A., Tran, T., & Cole, D. A. (2023). Dissecting the depressed mood criterion in adult depression: The heterogeneity of mood disturbances in major depressive episodes. Journal of Affective Disorders, 323, 392–399. [link][pdf]
Cole, D. A., Liu, Q. (2023). Latent trait-state models. In R. H. Hoyle (Ed.), Handbook of Structural Equation Modeling, second edition (pp. 615– 633). New York: Guilford. [link]
2016-2022
Friedman, M. R., Liu, Q., Meanley, S., Haberlen, S. A., Brown, A. L., Turan, B., Turan, J. M., Brennan-Ing, M., Stosor, V., Mimiaga, M. J., Ware, D., Egan, J. E., & Plankey, M. W. (2022). Biopsychosocial Health Outcomes and Experienced Intersectional Stigma in a Mixed HIV Serostatus Longitudinal Cohort of Aging Sexual Minority Men, United States, 2008‒2019. American Journal of Public Health, 112(S4), S452–S462. [link][pdf]
Wang, F., Lai, Y., Pan, Y., Li, H., Liu, Q., & Sun, B. (2022). A systematic review of brain morphometry related to deep brain stimulation outcome in Parkinson’s disease. Npj Parkinson’s Disease, 8(1), 130. [link][pdf]
Zelkowitz, R. L., Cole, D. A., Sterba, S. K., Liu, Q., Lau, A. S., Trung, L. T., & Weiss, B. (2022). Latent profile analyses of disordered eating behaviors and nonsuicidal self‐injury among Vietnamese adolescents. International Journal of Eating Disorders, 55(12), 1721–1732. [link][pdf]
Nestor, B. A., Liu, Q., Tran, T., & Cole, D. A. (2022). The cross‐sectional, longitudinal, and transitional associations between perceived support and suicidal ideation and behavior in late adolescence and emerging adulthood: Adjacent‐category logit models. Suicide and Life-Threatening Behavior, 52(5), 908–917.[link][pdf]
Liu, Q., Lu, R., Nestor, B. A., Lubarsky, S. R., Nick, E. A., Zhang, Y., Lovette, A. J., Gabruk, M. E., Rodgers, J. L., & Cole, D. A. (2023). Types, subtypes, and clinical correlates of peer victimization in college: A system science perspective. Psychology of Violence, 13(1), 74–83. [link][pdf]
Kim, D., Liu, Q., Quartana, P. J., & Yoon, K. L. (2022). Gender differences in aggression: A multiplicative function of outward anger expression. Aggressive Behavior, 48(4), 393–401. [link][pdf]
Olatunji, B. O., Liu, Q., Zald, D. H., & Cole, D. A. (2022). Emotional induced attentional blink in trauma-exposed veterans: Associations with trauma specific and nonspecific symptoms. Journal of Anxiety Disorders, 87, 102541. [link][pdf]
Pine, A. E., Liu, Q., Abitante, G., Sutherland, S., & Garber, J. (2022). Predictors of Sleep-Problem Trajectories Across Adolescence. Research on Child and Adolescent Psychopathology, 50(7), 959–971. [link][pdf]
Janakiefski, L., Tippenhauer, N., Liu, Q., Green, M., Loughmiller, S., & Saylor, M. M. (2022). Gaining access to the unknown: Preschoolers privilege unknown information as the target of their questions about verbs. Journal of Experimental Child Psychology, 217, 105358. [link][pdf]
Liu, Q., Martin, N. C., Findling, R. L., Youngstrom, E. A., Garber, J., Curry, J. F., Hyde, J. S., Essex, M. J., Compas, B. E., Goodyer, I. M., Rohde, P., Stark, K. D., Slattery, M. J., Forehand, R., & Cole, D. A. (2021). Hopelessness and depressive symptoms in children and adolescents: An integrative data analysis. Journal of Abnormal Psychology, 130(6), 594–607. [link][pdf]
Cole, D. A., Gabruk, M. E., Nestor, B. A., Liu, Q., Lovette, A. J., Zhang, Y., & Mick, C. R. (2021). Between- versus within-person emotional and cognitive reactivity in relation to depressive symptoms. Journal of Affective Disorders, 295, 479–487. [link][pdf]
Liu, Q., & Cole, D. A. (2021). The association of phasic irritability (aggressive outbursts) and tonic irritability (irritable mood) to depression occurrences, symptoms, and subtypes. Journal of Affective Disorders, 293, 9–18. [link][pdf]
Liu, Q., Nestor, B. A., & Cole, D. A. (2021). Differential associations of phasic and tonic irritability to suicidality among U.S. adults. Journal of Affective Disorders, 292, 391–397. [link][pdf]
Liu, Q., & Cole, D. A. (2021). Aggressive outbursts among adults with major depressive disorder: Results from the Collaborative Psychiatric Epidemiological Surveys. Journal of Psychiatric Research, 135, 325–331. [link][pdf]
Liu, Q., & Wang, L. (2021). T-Test and ANOVA for data with ceiling and/or floor effects. Behavior Research Methods, 53(1), 264–277. [link][pdf]
Liu, Q., & Liu, F. (2020). Selective Cascade of Residual ExtraTrees. SN Computer Science, 1(354). [link][pdf]
Liu, Q. (2020). Synchronized Time Profile Similarity in Applications to Nearest Neighbor Classification. In M. Wiberg, D. Molenaar, J. González, U. Böckenholt, & J.-S. Kim (Eds.), Quantitative Psychology (Vol. 322, pp. 247–261). Springer International Publishing. [link][pdf]
Liu, Q., & Maxwell, S. E. (2020). Multiplicative treatment effects in randomized pretest-posttest experimental designs. Psychological Methods, 25(1), 71–87. [link][pdf]
Langer, S. L., Romano, J. M., Liu, Q., Levy, R. L., Nielson, H., & Brown, J. D. (2016). Pain catastrophizing predicts verbal expression among children with chronic pain and their mothers. Health Psychology Open, 3(1), 205510291663266. [link][pdf]
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R Shiny Web Applications
Liu, Q. (2020) LAMME: Logarithm-based Analytic Methods for Multiplicative Effects. R Shiny App, https://qmliu.shinyapps.io/LAMME/
Liu, Q. (2020). DACFE: Data Analysis with Ceiling/Floor Effects. R Shiny App, https://qmliu.shinyapps.io/DACFE/
R Packages
Liu, Q., & Wang, L. (2018). DACF: Data Analysis with Ceiling and/or Floor Data. R package, version 1.0.0. CRAN
Liu, Q., & Maxwell, S. E. (2018). LAMME: Logarithm-based Analytic Methods for Multiplicative Effects. R package, version 1.0.0. CRAN