International Journal for Quality in Health Care vol. 17 no. 6 © The Author 2005. Published by Oxford University Press on behalf of International Society for Quality in Health Care; all rights reserved
Editorial |
Satisfaction surveys: do we really need new questionnaires?
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Before introducing a new intervention in the health care setting, whether it is a technology, a new drug, or an evaluative tool, its validity must be fully tested as the final goal is to improve patients (quality of) care, as any change in patients care is potentially associated with benefits, risks, and costs.
Validity is not a yes/no attribute, but the results of the accumulation of evidence were produced through a long process where hypotheses are formulated and then sequentially challenged with several empirical testings. A good example is the process of development and validation of new drugs. The regulatory agencies that are responsible for the first evaluation of the scientific and clinical value of new
Istituto di Ricerche Farmacologiche Mario Negri, Milan, Italy