ABSTRACT
In Chapter 6 it was pointed out that if we fit the single-factor model to binary items, the equation of the regression https://www.w3.org/1998/Math/MathML"> X ^ j = λ j f + μ j https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9781410601087/8f89ad1f-ca98-4495-bf49-3d2ea3a071a9/content/eqn_489_B.tif" xmlns:xlink="https://www.w3.org/1999/xlink"/>
