Response to the Commentary „Can a 1-Item Scale for Psychotherapy Outcomes Be Psychometrically Robust?”

Authors

• Brian Schwartz
  Department of Psychology, Trier University, Trier, Germany
• Miguel M. Gonçalves
  CIPsi – Psychology Research Center, School of Psychology, University of Minho, Braga, Portugal
• Wolfgang Lutz
  Department of Psychology, Trier University, Trier, Germany
• João Tiago Oliveira
  CIPsi – Psychology Research Center, School of Psychology, University of Minho, Braga, Portugal
• Suoma E. Saarni
  Department of Psychiatry, Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland; Department of Psychiatry, Helsinki University Hospital HUS and Helsinki University, Helsinki, Finland; Department of Psychiatry, Wellbeing Services County of Päijät-Häme, Lahti, Finland
• Orya Tishby
  Department of Psychology, Hebrew University, Jerusalem, Israel
• Michael Barkham
  Clinical and Applied Psychology Unit, School of Psychology, University of Sheffield, Sheffield, United Kingdom
• European Psychotherapy Consortium (EPoC)