Sample size used to validate a scale: a review of publications on newly-developed patient reported outcomes measures

• Published in: Health and quality of life outcomes Vol. 12; no. 1; pp. 176 - 2
• Main Authors: Anthoine, Emmanuelle, Moret, Leïla, Regnault, Antoine, Sébille, Véronique, Hardouin, Jean-Benoit
• Format: Journal Article
• Language: English
• Published: England BioMed Central Ltd 09.12.2014; BioMed Central
• Subjects: Clinical medicine; Cross-Sectional Studies; Design; Experiments; Humans; Measurement; Medical research; Medicine, Experimental; Methods; Patient Outcome Assessment; Patients; Psychometrics; Public health; Quality of Life; Questionnaires; Reproducibility of Results; Sample Size; Statistical methods; Validation studies; Validation Studies as Topic

New patient reported outcome (PRO) measures are regularly developed to assess various aspects of the patients' perspective on their disease and treatment. For these instruments to be useful in clinical research, they must undergo a proper psychometric validation, including demonstration of cros...