AWARENESS OF THE DANGERS IN MODERN URBAN AREA
Abstract
The level of the awareness of dangers in modern urban area was deduced based on the results of a survey. The elements of mathematical statistics (arithmetic mean and variance) were used to rank the dangerous and harmful factors. While the average value indicates the level of danger or harm of a certain factor, the variance shows the uniformity of awareness of the dangers for this factor. The larger the variance, the more values of the sample elements are deviated from the mean value. The smaller the variance, the evaluation of a factor is more unanimous.Based on the survey, it was revealed that the most dangerous factors were supposed to be murders and intentional injuries, AIDS, automobile transport, drugs and terrorism, and the safest ones included public and sports events, diagnostic radiation, nutrition, other factors and medical care.
Obtained estimates have certain heterogeneity in arithmetic mean due to some psychophysiological peculiarities and different previous life experience of respondents. The most unanimous evaluations were revealed for such factors as murders and intentional injuries, drugs, public and sports events, pharmaceutical drugs, and fires, based on the lowest values of variance for them.
On the other hand, the highest values of variance were obtained for such factors as other factors, nuclear power, aviation transport, environmental pollution and terrorism. This means, that respondents had some doubts in estimating their danger.
Keywords: dangerous factors, awareness of the dangers, urbanised environment, life safety.
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