Appendices & Code

Online appendix and code for Rights, J.D., & Sterba, S.K. (In press). R-squared measures for multilevel models with three or more levels. Multivariate Behavioral Research. DOI:10.1080/00273171.2021.1985948

Online appendix and code for Sterba, S.K., & Rights, J.D. (2022).^ǂ R-squared measures for multilevel mixture models with random effects. Structural Equation Modeling, 29, 489-506. ^ǂAuthors contributed equally.

Online appendix and code for Rights, J.D., & Sterba, S.K. (2021). Effect size measures for longitudinal growth analyses: Extending a framework of multilevel model R-squareds to accommodate heteroscedasticity, autocorrelation, nonlinearity, and alternative centering strategies. New Directions for Child and Adolescent Development, 175, 65-110 (Special Issue on Developmental Methods).

Online appendix and code & R package for Rights, J.D., & Sterba, S.K. (2020). New recommendations on the use of R-squared differences in multilevel model comparisons. Multivariate Behavioral Research, 55, 568-599.

Online appendix and code & R package for Rights, J.D., & Sterba, S.K. (2019). Quantifying explained variance in multilevel models: An integrative framework for defining R-squared measures. Psychological Methods, 24, 309-338.

Online appendix and code for Rights, J.D., & Sterba, S.K. (2018). A framework of R-squared measures for single-level and multilevel regression mixture models. Psychological Methods, 23, 434-457.

Online appendix and code for Rights, J.D., Sterba, S.K., Cho, S.-J., & Preacher, K.J. (2018). Addressing model uncertainty in item response theory person scores through model averaging. Behaviormetrika, 45, 495-503.

Online appendix and Online supplement for Sterba, S.K. (2017). Partially nested designs in psychotherapy trials: A review of modeling developments. Psychotherapy Research, 27, 425-436.

Online appendix for Sterba, S.K., & Rights, J.D. (2017). Effects of parceling on model selection: Parcel-allocation variability in model ranking. Psychological Methods, 22, 47-68.

Online appendix and code for Sterba, S.K. (2017). Pattern mixture models for quantifying missing data uncertainty in longitudinal invariance testing. Structural Equation Modeling, 24, 283-300.

Online appendix and code for Rights, J.D., & Sterba, S.K. (2016). The relationship between multilevel models and nonparametric multilevel mixture models: Discrete approximation of intraclass correlation, random coefficient distributions, and residual heteroscedasticity. British Journal of Mathematical and Statistical Psychology, 69, 316-343.

Online appendix and code for Sterba, S.K. (2016). A latent transition analysis model for latent-state-dependent nonignorable missingness. Psychometrika, 81, 506-534.

Online appendix and code for Sterba, S.K. (2016). Interpreting and testing interactions in conditional mixture models. Applied Developmental Science, 20, 29-43.

Online appendix and code for Sterba, S.K., & Gottfredson, N.C. (2015). Diagnosing global case influence on MAR versus MNAR model comparisons. Structural Equation Modeling, 22, 294-307.

Online appendix and code for Lachowicz, M.J., Sterba, S.K., & Preacher, K.J. (2015). Investigating multilevel mediation with fully or partially nested data. Group Processes & Intergroup Relations, 18, 274-289.

Online appendix for Sterba, S.K. (2014). Handling missing covariates in conditional mixture models under missing at random assumptions. Multivariate Behavioral Research, 49, 614-632.

Online appendix and code for Sterba, S.K., Preacher, K.J., Forehand, R., Hardcastle, E.J., Cole, D.A., & Compas, B.E. (2014). Structural equation modeling approaches for analyzing partially nested data. Multivariate Behavioral Research, 49, 93-118.

Online appendix and code for Sterba, S.K. (2014). Fitting nonlinear latent growth curve models with individually varying time points. Structural Equation Modeling, 21, 630-647.

Online appendix for Sterba, S.K., & Bauer, D.J. (2014). Predictions of individual change recovered with latent class or random coefficient growth models. Structural Equation Modeling, 21, 342-360.

Online appendix and code for Sterba, S.K. (2013). Understanding linkages among mixture models. Multivariate Behavioral Research, 48, 775-815.

Online appendix and code for Sterba, S.K. & Pek, J. (2012). Individual influence on model selection. Psychological Methods, 17, 582-599.

Online appendix for Sterba, S.K., Baldasaro, R.E., & Bauer, D.J. (2012). Factors affecting the adequacy and preferability of semiparametric groups-based approximations of continuous growth trajectories. Multivariate Behavioral Research, 40, 590-634.

Online appendix for Bauer, D.J., & Sterba, S.K. (2011). Fitting multilevel models with ordinal outcomes: Performance of alternative specifications and methods of estimation. Psychological Methods, 16, 373-390.

Online appendix for Sterba, S.K. & Bauer, D.J. (2010). Matching method with theory in person-oriented developmental psychopathology research. Development & Psychopathology, 22, 239-254.

Online appendix for Sterba, S.K. & MacCallum, R.C. (2010). Variability in parameter estimates and model fit across repeated allocations of items to parcels. Multivariate Behavioral Research, 45, 322-358.

Online appendix for Sterba, S.K. Copeland, W., Egger, H., Costello, J., Erkanli, A., & Angold, A. (2010). Longitudinal dimensionality of adolescent psychopathology: Testing the differentiation hypothesis. Journal of Child Psychology and Psychiatry, 51, 871-884.

Online appendix and code for Sterba, S.K. (2009). Alternative model-based and design-based frameworks for inference from samples to populations: From polarization to integration. Multivariate Behavioral Research, 44, 711-740.

Online appendix and code in SAS or in SPSS for Bauer, D.J., Sterba, S.K., & Hallfors, D. (2008). Evaluating group-based interventions when control participants are ungrouped. Multivariate Behavioral Research, 43, 210-246.