Expanding example to simulate data for non-SH differences is harder. Requires multidimensional IRT. http://www.psychometrics.cam.ac.uk/uploads/documents/document-uploads-in-2014/multidimensional-item-response-theory … @KirkegaardEmil
By popular request: Using classical test theory statistics with Jensen’s method. A comment on Wicherts (2016). http://rpubs.com/EmilOWK/230077
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