title: Problems with single-factor solutions in factor analyses of low-end scores.
authors.forename: Pedro Vieira
authors.initials: PV
authors.lastname: da Silva Magalhães
authors.forename: Patrícia
authors.initials: P
authors.lastname: Manzolli
authors.forename: Flávio
authors.initials: F
authors.lastname: Kapczinski
mesh_terms: D001714:Bipolar Disorder / Q000175:diagnosis*; D005163:Factor Analysis, Statistical; D006801:Humans