Editorials; From Clinical Observations to Clinimetrics: A Tribute to Alvan R. Feinstein, MD; Nierenberg, A.A. (Boston, Mass.); Sonino, N. (Padova); Modern Psychometrics in Clinimetrics: Impact on Clinical Trials of Antidepressants: Bech, P. (Hillerod); Assessment of Psychopathology: Faravelli, C. (Florence); The Additional Value of Clinimetrics Needs to Be Established rather than Assumed: Emmelkamp, P.M.G. (Amsterdam); Special Article; Psychometric Theory is an Obstacle to the Progress of Clinical Research: Fava, G.A.; Ruini, C.; Rafanelli, C. (Bologna); Case Management; Management of Obsessive Compulsive Disorder: Bouvard, M.A.; Milliery, M.; Cottraux, J. (Lyon); Regular Articles; Panic Attacks and the Risk of Depression among Young Adults in the Community: Goodwin, R.D. (New York, N.Y.); Fergusson, D.M.; Horwood, L.J. (Christchurch); Prediction of Treatment Outcome of Patients with Functional Gastrointestinal Disorders by the Diagnostic Criteria for Psychosomatic Research: Porcelli, P.; De Carne, M. (Castellana Grotte); Todarello, O. (Bari); Social Support and the Persistence of Complaints in Chronic Fatigue Syndrome: Prins, J.B.; Bos, E. (Nijmegen); Huibers, M.J.H. (Nijmegen/Maastricht); Servaes, P.; van der Werf, S.P.; van der Meer, J.W.M.; Bleijenberg, G. (Nijmegen); Does Meeting Needs Improve Quality of Life? Slade, M.; Leese, M. (London); Ruggeri, M. (Verona); Kuipers, E. (London); Tansella, M. (Verona); Thornicroft, G. (London); Convergent and Discriminant Validity of the Yale-Brown Obsessive-Compulsive Scale Symptom Chacklist: Mataix-Cols, D. (London); Fullana, M.A.; Alonso, P.; Menchon, J.M.; Vallejo, J. (Barcelona)