title: The Iowa prospective longitudinal study of recent-onset psychoses.
abstract: In this article, the methods of a prospective longitudinal study of recent-onset psychoses are described. Methodological issues that may be common to studies employing a similar design are discussed in the context of the rationale behind this study's strategies. Particular attention is paid to statistical strategies that maximally exploit longitudinal data.
authors.affiliation: Department of Psychiatry, University of Iowa College of Medicine, Iowa City.
authors.forename: M A
authors.initials: MA
authors.lastname: Flaum
authors.forename: N C
authors.initials: NC
authors.lastname: Andreasen
authors.forename: S
authors.initials: S
authors.lastname: Arndt
mesh_terms: D006801:Humans; D008279:Magnetic Resonance Imaging; D011379:Prognosis; D011446:Prospective Studies; D011569:Psychiatric Status Rating Scales; D011618:Psychotic Disorders / Q000503:physiopathology*; D011698:Pursuit, Smooth; D012107:Research Design; D013997:Time Factors