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We introduce a shiny web application to facilitate the construction of Item Factor Analysis (a.k.a. Item Response Theory) models using the OpenMx package in the R statistical programming environment. The web application assists with importing data, outcome recoding, and model specification. The app does not conduct any analysis though. Instead, rmarkdown output is generated that serves dual purposes, to analyze a data set and model good programming practices. The app can be used as a teaching tool or as a starting point for custom analysis scripts.

Model Builder for Item Factor Analysis with OpenMx