Conversion of standard retrospective patient-reported outcomes to momentary versions: cognitive interviewing reveals varying degrees of momentary compatibility.
Victor Brun BoesenStine Birk NissenMogens GroenvoldJakob Bue BjornerLaszlo HegedüsSteen Joop BonnemaÅse Krogh RasmussenUlla Feldt-RasmussenTorquil WattPublished in: Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation (2017)
Cognitive interviewing techniques proved useful for developing and evaluating momentary items. Researchers should be aware of the applied reference period and of emerging problems when evaluating adapted momentary items, since not all concepts are suitable. We recommend the proposed method in future adaptations of existing instruments.