title: [Value and limits of the criteria and scale approach in clinical research in psychiatry].
abstract: Interests and limitations of rating scales and diagnostic criteria are quite well figured by their psychometric qualities. Some of those qualities are described. What is being measured, the purpose of the instrument and the compatibility of those qualities are discussed. Some examples driven from clinical research are shown.
authors.forename: J D
authors.initials: JD
authors.lastname: Guelfi
authors.forename: L
authors.initials: L
authors.lastname: Waintraub
mesh_terms: D005069:Evaluation Studies as Topic; D006801:Humans; D001523:Mental Disorders / Q000175:diagnosis* / Q000453:epidemiology; D011569:Psychiatric Status Rating Scales / Q000592:standards*; D011570:Psychiatry; D011594:Psychometrics; D015203:Reproducibility of Results; D012106:Research; D012720:Severity of Illness Index
vernacular_title: Intérêts et limites de l'approche critériologique et scalaire dans la recherche clinique en psychiatrie.