'Less is more': validation with Rasch analysis of five short-forms for the Brain Injury Rehabilitation Trust Personality Questionnaires (BIRT-PQs).

Pellicciari L, Piscitelli D, Basagni B, De Tanti A, Algeri L, Caselli S, Ciurli MP, Conforti J, Estraneo A, Moretta P, Gambini MG, Inzaghi MG, Lamberti G, Mancuso M, Rinaldesi ML, Sozzi M, Abbruzzese L, Zettin M, La Porta F.