title: A prospective global measure, the Punum Ladder, provides more valid assessments of quality of life than a retrospective transition measure.
authors.affiliation: Department of Psychiatry, University of Massachusetts Medical School, Worcester, MA, USA.
authors.forename: Kenneth E
authors.initials: KE
authors.lastname: Fletcher
authors.forename: Cynthia T
authors.initials: CT
authors.lastname: French
authors.forename: Richard S
authors.initials: RS
authors.lastname: Irwin
authors.forename: Kristin M
authors.initials: KM
authors.lastname: Corapi
authors.forename: Geoffrey R
authors.initials: GR
authors.lastname: Norman
mesh_terms: D000328:Adult; D000368:Aged; D000465:Algorithms; D000704:Analysis of Variance; D002908:Chronic Disease; D003371:Cough / Q000453:epidemiology / Q000523:psychology*; D005260:Female; D006305:Health Status Indicators; D006801:Humans; D008297:Male; D008875:Middle Aged; D011446:Prospective Studies; D011594:Psychometrics; D011788:Quality of Life / Q000523:psychology*; D015203:Reproducibility of Results; D011795:Surveys and Questionnaires; D014481:United States / Q000453:epidemiology