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[https://www.tandfonline.com/loi/hsem20](https://www.tandfonline.com/loi/hsem20)  \nAn Open-source WYSIWYG Web Application for Drawing Path Diagrams of Structural Equation Models  \nYujiao Mai, Ziqian Xu, Zhiyong Zhang & Ke-Hai Yuan  \nTo cite this article: Yujiao Mai, Ziqian Xu, Zhiyong Zhang & Ke-Hai Yuan (2023) An Opensource WYSIWYG Web Application for Drawing Path Diagrams of Structural Equation Models, Structural Equation Modeling: A Multidisciplinary Journal, 30:2, 328-335, DOI:  \n10. 1080/10705511 .2022.2101460  \nTo link to this article: [https://doi.org/10.1080/1070551](https://doi.org/10.1080/1070551) 1.2022.2101460  \n Published online: 18 Aug 2022.  \n\n|  Submit your article to this journal  |\n| --- |\n|  Article views: 235 |\n|  View related articles  |\n|  View Crossmark data |\n\nFull Terms & Conditions of access and use can be found at [https://www.tandfonline.com/action/journalInformation?journalCode=hsem20](https://www.tandfonline.com/action/journalInformation?journalCode=hsem20)  \nSTRUCTURAL EQUATION MODELING: A MULTIDISCIPLINARY JOURNAL 2023, VOL. 30, NO. 2, 328–335  \n[https://doi.org/10.1080/10705511.2022.2101460](https://doi.org/10.1080/10705511.2022.2101460)  \nAn Open-source WYSIWYG Web Application for Drawing Path Diagrams of Structural Equation Models  \nYujiao Mai, Ziqian Xu, Zhiyong Zhang,  and Ke-Hai Yuan   \nUniversity of Notre Dame  \nABSTRACT  \nStructural equation modeling (SEM) is widely used in behavioral, social, and education research. Drawing publication-ready path diagrams for SEM is not a pleasant task with the existing software. The article introduces an open-source web-based graphical application, semdiag, for drawing WYSIWYG SEM path diagrams interactively. The application is an on-going project developed by the authors using JavaScript, and it can be used in major web browsers, both online and offline. Several examples are provided to demonstrate how to use the application.  \nKEYWORDS  \nJavaScript; structural equation modeling; path diagram; graphical interface  \n1. Motivation and Significance  \nStructural equation modeling (SEM) is a statistical technique that can be used to evaluate relations among observed and latent variables (Hoyle, 1995), where an observed variable can be measured directly but a latent variable has to be assessed indirectly using observed variables. The relations between two variables can be non-directional as correlation relationships or directional as predictive relationships (Hoyle, 1995; Kline, 2011) . SEM generalizes many commonly used statistical models such as confirmatory factor models, path models, latent regression models, and growth curve models (Kline, 2011) . Over the past few decades, the application of SEM has been rapidly growing in many disciplines (Kline, 2011; Nachtigall et al., 2003; Westland, 2015), especially in education (Khine, 2013), psychology (MacCallum & Austin, 2000), management (Shook et al., 2004), and marketing (Babin et al., 2008) .  \nA variety of software packages were developed to conduct SEM analysis including commercial ones such as LISREL (Jo€reskog & So€rbom, 2022), EQS (Bentler, 2020, 2006), AMOS (Arbuckle, 2021), and Mplus (Muthn & Muthn, 2017, 2021), as well as free ones such as Xnyx (von Oertzenet al., 2015a, 2015b), R packages Lavaan (Rosseel, 2012; Rosseel et al., 2022), OpenMx (Boker et al., 2022), and sem (Fox et al., 2022) . Some general-purpose statistical software products such as SAS and STATA also provide routines to perform SEM analysis. SEM almost always relies on representing models graphically as path diagrams for illustrating the theoretical models intuitively. For example, the software programs EQS (Bentler, 2020) and LISREL (Jo€reskog & So€rbom, 2022) have options to graphically display path diagrams directly. Some programs such as the R package sem  \n(Fox et al., 2022) can create syntax for external drawing software su","cbCairIABDCxRKxb","https://ap.wps.com/l/cbCairIABDCxRKxb","pdf",2606019,"English","# Motivation and Significance\n## SEM and its applications\n## Software for SEM and path diagrams\n# Purpose and Tool Features\n## semdiag as a web-based WYSIWYG editor\n## Saving, loading, and export formats\n# Contact and Acknowledgements","[{\"question\":\"What problem does semdiag address in SEM research?\",\"answer\":\"It addresses the difficulty of drawing publication-ready SEM path diagrams using existing software by providing an interactive WYSIWYG web application.\"},{\"question\":\"How does semdiag support interactive creation of SEM path diagrams?\",\"answer\":\"It enables users to create new path diagrams and modify existing ones through a graphical interface, with WYSIWYG behavior in major web browsers.\"},{\"question\":\"What formats can semdiag export diagrams to?\",\"answer\":\"Diagrams can be saved into SVG, PNG, PDF, and HTML formats for ready use in other contexts.\"}]","An Open-source WYSIWYG Web Application for Drawing Path Diagrams of Structural Equation Models - Journal Article | PDF",1792969463,23]