Issues in measurement.
Measurement lies at the heart of all quantitative methods in clinical, epidemiological and health services research. If the measures employed lack the essential features of validity and reliability then the conclusions drawn from empirical findings may mislead. This short article explains and explores the desirable features of measurement instruments used in health-care research.
Davies
H T
HT
Department of Management, University of St Andrews, St Katharine's West, Fife.
D015982:Bias; D006302:Health Services Research / Q000592:standards*; D006801:Humans; D015203:Reproducibility of Results; D012107:Research Design; D012680:Sensitivity and Specificity