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  1. Article

    Open Access

    Evaluating sensitivity to classification uncertainty in latent subgroup effect analyses

    Increasing attention is being given to assessing treatment effect heterogeneity among individuals belonging to qualitatively different latent subgroups. Inference routinely proceeds by first partitioning the i...

    Wen Wei Loh, Jee-Seon Kim in BMC Medical Research Methodology (2022)

  2. No Access

    Chapter and Conference Paper

    Specifying Multilevel Mixture Selection Models in Propensity Score Analysis

    Causal inference with observational data is challenging, as the assignment to treatment is often not random and people may have different reasons to receive or to be assigned to the treatment. Moreover, the an...

    Jee-Seon Kim, Youmi Suk in Quantitative Psychology (2019)

  3. No Access

    Chapter and Conference Paper

    Measuring the Heterogeneity of Treatment Effects with Multilevel Observational Data

    Multilevel latent class analysis and mixture propensity score models have been implemented to account for heterogeneous selection mechanisms and for proper causal inference with observational multilevel data (...

    Youmi Suk, Jee-Seon Kim in Quantitative Psychology (2019)

  4. No Access

    Chapter and Conference Paper

    Causal Inference with Observational Multilevel Data: Investigating Selection and Outcome Heterogeneity

    Causal inference with observational data is challenging, as the assignment to treatment is not random, and people may have different reasons to receive or be assigned to the treatment. The multilevel structure...

    Jee-Seon Kim, Wen-Chiang Lim, Peter M. Steiner in Quantitative Psychology (2017)

  5. No Access

    Article

    Multilevel Modeling with Correlated Effects

    When there exist omitted effects, measurement error, and/or simultaneity in multilevel models, explanatory variables may be correlated with random components, and standard estimation methods do not provide co...

    Jee-Seon Kim, Edward W. Frees in Psychometrika (2007)

  6. No Access

    Article

    Omitted Variables in Multilevel Models

    Statistical methodology for handling omitted variables is presented in a multilevel modeling framework. In many nonexperimental studies, the analyst may not have access to all requisite variables, and this omi...

    Jee-Seon Kim, Edward W. Frees in Psychometrika (2006)

  7. No Access

    Article

    Multilevel Model Prediction

    Multilevel models are proven tools in social research for modeling complex, hierarchical systems. In multilevel modeling, statistical inference is based largely on quantification of random variables. This pape...

    Edward W. Frees, Jee-Seon Kim in Psychometrika (2006)

  8. No Access

    Article

    Reviews

    Howard Wainer, Jee-Seon Kim, Terry Ackerman in Psychometrika (2001)