1. Sufficient statistics and latent trait models;Andersen;Psychometrika,1977
2. The life of Georg Rasch as a mathematician and as a statistician;Andersen,2001
3. A rating formulation for ordered response categories;Andrich;Psychometrika,1978
4. Using latent trait measurement models to analyse attitudinal data: a synthesis of viewpoints;Andrich,1982
5. An elaboration of Guttman scaling with Rasch models for measurement;Andrich,1985