Quantitative Publications

Helm, J. L., Miller, J., Kahle, S., Troxel, N., Hastings, P. D. (in press). On measuring and modeling physiological synchrony in dyads. Multivariate Behavioral Research.

Helm, J. L., Castro-Schilo, L., Castellarnau Illarramendo, A., Zavala Rojas, D., Oravecz, Z.  (in press). Bayesian estimation of the true score multitrait-multimethod model with a split-ballot design. Structural Equation Modeling.

Helm, J. L., Castro-Schilo, L., Oravecz, Z. (2017). Comparing Bayesian and frequentist estimation of multi-trait multi-method confirmatory factor models. Structural Equation Modeling, 24, 17 – 30

Helm, J. L., Ram, N., Cole, P., Chow, S. M. (2016). Modeling self-regulation as a process using a multiple time-scale multiphase latent basis growth model. Structural Equation Modeling, 23, 635 – 648doi: 10.1080/10705511.2016.1178580

Serang, S.*, Zhang, Z., Helm, J. L., Steele, J. S., Grimm, K. J. (2015). Evaluation of a Bayesian approach to estimating nonlinear mixed-effects mixture models. Structural Equation Modeling, 22, 202 – 215.

Widaman, K. F., Helm, J. L. (2014). Factor analysis. In R. Cautin & S. Lilienfeld (Eds.), The Encyclopedia of Clinical Psychology (pp. 1223 – 1248). Hoboken, NJ: Wiley-Blackwell.

Grimm, K. J., Helm, J. L. (2014). Latent class analysis and growth mixture models. In S.K. Whitbourne (Ed.), The Encyclopedia of Adulthood and Aging (pp. 731-737). Hoboken, NY: Wiley-Blackwell.

Ferrer, E., Helm, J. L. (2013). Dynamical systems modeling of physiological coregulation in dyadic interactions, International Journal of Psychophysiology, 88, 296 – 308.

Widaman, K. F., Helm, J. L. (2012). Nocturnal emissions: A failure to replicate. American Journal of Psychology, 125, 39 – 50. doi: 10.5406/amerjpsyc.125.1.0039

Widaman, K. F., Helm, J. L., Castro-Schilo, L., Pluess, M., Stallings, M. C., Belsky, J. (2012). Distinguishing ordinal and disordinal interactions. Psychological Methods, 17,615 – 622.

 Helm, J. L., Sbarra, D. A., Ferrer, E. (2011). Assessing cross-partner associations in physiological responses via coupled oscillator models. Emotion, 12, 748 – 762. doi: 10.1037/a0025036

McAssey, M. P., Helm, J. L., Hsieh, F., Sbarra, D. A., Ferrer, E. (2011). Detecting synchrony in psychophysiological signals from dyadic interactions. Methodology: European Journal of Research Methods for the Behavioral and Social Sciences, 9, 41 – 53.

Substantive Publications

Morales, S.*, Ram, N., Buss, K. A., Cole, P. M., Helm, J. L., Chow, S. M. (in press). Age-related changes in the dynamics of fear regulation in early childhood.

Vilgis, V., Gelardi, K. L., Helm, J. L., Forbes, E. E., Hipwell, A. E., Keenan, K. K., Guyer, A. E. (in press). Dorsomedial prefrontal cortex activity to sad faces predicts later emotion suppression and depression in adolescent girls. Child Development.

Geng, J. J., *DiQuattro, N. E., Helm, J. L. (in press). Distractor probability changes shape of the attentional template.

Parra, L.*, Benibgui, M., Helm, J. L., Hastings, P. D. (in press). The buffering effect of the chosen family: Peer support, family rejection, and psychosocial adjustment in LGB emerging adults.

Parra, L.*, Benibgui, M., Helm, J. L., Hastings, P. D. (2016). Minority stress predicts depression in lesbian, gay, and bisexual emerging adults via elevated diurnal cortisol. Emerging Adulthood, 4, 365 – 372.

Belsky, J., Newman, D. A., Widaman, K. F., Rodkin, P., Pluess, M., Fraley, R. C., Berry, D., Helm, J. L., Roisman, G. I. (2015). Differential susceptibility to effects of maternal sensitivity? A study of candidate plasticity genes. Development and Psychopathology, 27, 725 – 746.

Tseng, W. L., Guyer, A. E., Briggs-Gowan, M. J., Axelson, D., Birmaher, B., Egger, H. L., Helm, J. L., Stowe, Z., Towbin, K. A., Wakschlag, L. S., Leibenluft, E., Brotman, M. A. (2015). Behavior and emotion modulation deficits in preschoolers at risk for bipolar disorder. Depression and Anxiety, 32, 325 – 334.

Han, G.*, Helm, J. L., Iucha, C., Zahn-Waxler, C., Hastings, P. D., Klimes-Dougan, B. (2015). Are executive functioning deficits concurrently and predictively associated with depressive and anxiety symptoms in adolescents? Journal of Clinical and Adolescent Psychology. DOI: 10.1080/15374416.2015.1041592

 Helm, J. L., Sbarra, D. A., Ferrer, E. (2014). Coregulation of heart rate variability in adult romantic partners, Emotion, 14, 522 – 531.

Hastings, P. D., Helm, J. L., Mills, R. S. L., Serbin, L. A., Stack, D. M., Schwartzman, A. E. (2015). Dispositional and environmental predictors of the development of internalizing problems in childhood: Testing a multilevel model. Journal of Abnormal Child Psychology, 43, 831 – 845.

DeRose, L. M., Shiyko, M., Levey, S., Helm, J. L., Hastings, P. D. (2014). Early maternal depression and social skills in Adolescence: A marginal structural modeling approach. Social Development, 23, 753 – 769.

Mills, R. S. L., Hastings, P. D., Serbin, L. A., Etezadi, J., Stack, D. M., Schwartzman, A. E., Li, H. H., Helm, J. L.  (2011). Temperamental, parental and contextual contributors to early-emerging internalizing problems: A new integrative analysis approach. Social Development. doi: 10.1111/j.1467-9507.2011.000629.x


Ram, N., Helm, J. L., Gerstorf, D., Molenaar, P. C., Nesselroade, J. (2016). Has growth modeling led us astray? Reformulating models of development as differences in timing. Gerontologist, 211 – 211.

 Helm, J. L., Ferrer, E. (2013). Modeling Change in a Correlation Over Time Within a SEM Framework. Multivariate Behavioral Research, 48, 159.

Book Reviews

Helm, J. L. (2016). A review of latent variable modeling using R. Structural Equation Modeling, 23, 931 – 932 [Book Review]

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