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  1. Article

    Open Access

    Brain Reactions to Opening and Closing the Eyes: Salivary Cortisol and Functional Connectivity

    This study empirically assessed the strength and duration of short-term effects induced by brain reactions to closing/opening the eyes on a few well-known resting-state networks. We also examined the associati...

    Shen-Da Chang, Po-Chih Kuo, Karl Zilles, Tim Q. Duong… in Brain Topography (2022)

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    Article

    A comparison study of nonparametric imputation methods

    Consider estimation of a population mean of a response variable when the observations are missing at random with respect to the covariate. Two common approaches to imputing the missing values are the nonparame...

    Jianhui Ning, Philip E. Cheng in Statistics and Computing (2012)

  3. No Access

    Article

    Equipercentile equating via data-imputation techniques

    In the design of common-item equating, two groups of examinees are administered separate test forms, and each test form contains a common subset of items. We consider test equating under this situation as an i...

    Michelle Liou, Philip E. Cheng in Psychometrika (1995)