Missing-data Analysis and SEM Organigers: Yutaka Kano and Shimpei Imori (Osaka U) Chair: Shimpei Imori (Osaka U) Ke-Hai Yuan (University of Notre Dame) Missing Data Mechanisms and Homogeneity of Means and Variances-Covariances or Power Analysis for Structural Equation Modeling with Incomplete Data from an Unknown Population Distribution Victoria Savalei (University of British Columbia) to be announced Kosuke Morikawa, Kim and Yutaka Kano (Osaka U) Semiparametric maximum likelihood estimation under nonignorable nonresponse Shimpei Imori (Osaka U) Model selection for data with nonignrable missingness Kentaro Fukumoto (Gakushuin U) Missing data under the matched-pair design: a practical guide