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ISO/TS 15666:2002 provides specifications for socio-acoustic surveys and social surveys which include questions on noise effects. Its scope includes questions to be asked, response scales, key aspects of conducting the survey, and reporting the results. It does not prescribe methods for the analysis of data obtained from these questions.

It is recognised that specific requirements and protocols of some social and socio-acoustic studies may not permit the use of some or all of the present specifications. ISO/TS 15666:2002 in no way lessens the merit, value or validity of such research studies.

The scope of ISO/TS 15666:2002 is restricted to surveys conducted to obtain information about noise annoyance at home. Surveys conducted to obtain information about noise annoyance in other situations, such as recreational areas, work environments and inside vehicles, are not included.

ISO/TS 15666:2002 concerns only the questions on noise annoyance used in a social survey and the most important additional specifications needed to accomplish a high level of comparability with other studies. Other elements which are required to provide high-quality social surveys, but which are not specific for social surveys on noise (such as sampling methods), can be found in textbooks.

Compliance with the recommendations of ISO/TS 15666:2002 does not guarantee the collection of accurate, precise or reliable information about the prevalence of noise-induced annoyance and its relationship to noise exposure. Other aspects of study design, as well as uncertainties of estimation and measurement of noise exposure, can influence the interpretability of survey findings to a great extent.