Document Type



Edith Cowan University

Place of Publication

Perth, Western Australia


School of the Arts and Applied Sciences / Institute of Security and Applied Technology


Bloom, L., Cross, J., & McDougall, D. (1991). An analysis of the monitored electronic alarm activations in the Perth metropolitan area. Perth, Australia: Edith Cowan University.


This study as indicated in [7] was carried out under the auspices of Edith Cowan University's Institute of Security and Applied Technology and had the support of the Western Australian Police and the Perth-based Central Monitoring Agencies. The data analysed was obtained essentially from Police records, backed up by data from two of Perth's larger security companies, and consists of all the monitored alarms in the Perth Metropolitan Area which were attended by the police in the months of May and September 1989.In our consideration of the frequency of alarms by time of day and day of week, and the frequency of false alarm per activated system we have analysed both the May and the September data. However, we look at the cause of the alarm for the September data only. The reason for this is that, from September 1989 onwards, largely as a part of their cooperation in this project, the WA Police have been recording more detailed "on the spot'' information than previously.


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