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A NNOYANCCE caused by external environmen;tal factors such as noise and air pollution has been the subject of several investigations (1-3). Distinction was made between annoyance causing danger to health and annoyance that was niot directly injurious. This paper is concerned with annoyance that was not directly injurious to health. Data on the effects of the disturbing external environmental factors must be derived from the objectively and subjectively measurable reactions of the persons exposed to these factors (4). By objectively measurable reactions, we mean those reactions that are directly related to structural factors of the stimulus, while subjectively measurable reactions are annoyance reactions conditioned by subjective qualities in the exposed persons. The influence that socially conditioned factors, such as the attitudes of persons exposed, can have on the results is of particular interest in this study of discomfort. Presumably, persons with a negative attitude toward a source of discomfort exaggerate their discomfort on exposure. A risk, though supposedly a smaller one, is that discomfort may be underestimated by those with a positive attitude (5). Our paper deals with the influence of attitudes on annoyance reactions as well as the possibility of changing these reactions by changing the attitude toward the source of the annoyance. Two experimental investigations, one in the laboratory and one in the field, were deisigned to study the correlation between attitude and the incidence of annoyance.

public health reports (1896-1970)

Relation between Annoyance Reactions and Attitude to Source of Annoyance: Two Experiments in Sweden Tested Reactions to Aircraft and Motor Traffic Noise