lsat {gllm}

Five dichotomous items from the Law School Admission Test (LSAT)

Description

Small dataset (items 11-15 from sections 6 and 7 of the Law School Admission Test) used by Bock and Lieberman (1970), Christoffersson (1975) and Joreskog and Sorbom (1986) to test methods for factor analysis of binary data.

Source

Bock RD, Lieberman M (1970). Fitting a response model for n dichotomously scored items. Psychometrika 35, 179-197.