Drinking and Driving in Western Australia: Perceptions of Practices,Priorities and Preventives

If politics is the art of the possible, then determining what the public will tolerate is an important step in the design of prevention strategies. In this random survey of 1205 residents of country and urban areas in Western Australia, attitudes towards drinking and driving, drink-driving behaviour, and opinions of countermeasures were examined. Drink-driving was seen as an important issue for the community and there was a perception that something needed to be done. Drinking and driving was a well-established behaviour, but there was evidence that for many people ‘other’ people constitute the drink-driving problem. There were popular and unpopular preventives, but, interestingly, those that were deemed popular were often believed to be less effective than those that were less popular. The policy implications of these findings are considered, particularly in the light of the current implementation of random breath testing in Western Australia.     

The Identification of Behaviour Disorder within the Community

In the absence of a clinical definition of Behaviour Disorder, those termed ‘Behaviourally Disordered’ are often considered unsuitable for psychiatric servicing and many end up inappropriately contained by the correctional system. The working definitions of 213 South Australian health and welfare professionals from six client areas (child/adolescent, psychiatric, intellectually disabled, brain-damaged, correctional and general) were surveyed. Respondents generally saw Behaviour Disorder as a recognisable disorder, involving both aggressive, disruptive behaviour and deficits in social adaptation. Perceptions of its presentation varied across client groups and across professional roles. The results highlighted a need for specialised community servicing for this group.     

Social Work, Merit and Ethnic Diversity

This paper concentrates on the issues of merit and diversityin social work. The principal focus is ethnic diversity, usedas an example to illustrate a wider point about diversity. Itis clear that ethnic diversity in particular has become a majorpolitical objective across the public sector as part of the‘community cohesion’ initiative. Several benefitshave been identified and linked to the achievement of ethnicdiversity in the workforce; many of these have appeared in socialwork debate. The argument here is that while diversity has transformativepotential, it must be located within a more radical agenda ifit is to be successful. As a profession with a radical threadto its pedigree, social work is well placed to take this agendaforward.     

Kurt Lewin's Field Theory: A Review and Re‐evaluation

Field theory was central to Kurt Lewin's work yet, after his death, interest in it declined significantly until the 1990s when a variant, force field analysis, became widely used. This paper examines the origins, purpose and continuing relevance of field theory. It especially looks at the influences of gestalt psychology, topology and Ernst Cassirer's philosophy of science on its development. It argues that Lewin's attempt to replace conventional topology with his own Lewinian mathematics‐based topology in pursuit of scientific rigour resulted in the undermining of its relevance. The paper also compares force field analysis with Lewin's original conception of field theory and shows that it has significant weaknesses in terms of rigour. It concludes that a return to Lewin's original conception of field theory, based on gestalt psychology and conventional topology, can provide academics and practitioners with a valuable and much‐needed approach to managing change.     

Second Quarter 1973 Survey of the Economic Outlook

The aim of the author is improvement of statistical practice. The author distinguishes between enumerative studies and analytic studies. An enumerative study has for its aim an estimate of the number of units of a frame that belong to a specified class. An analytic study has for its aim a basis for action on the cause-system or the process, in order to improve product of the future. A fair price to pay for an inventory is an example of an enumerative study. Tests of varieties of wheat, insecticides, drugs, manufacturing processes, are examples of analytic studies: the choice of variety or treatment will affect the future out-turn of wheat, future patients, future product. Techniques and methods of inference that are applicable to enumerative studies lead to faulty design and faulty inference for analytic problems.

It is possible, in an enumerative problem, to reduce errors of sampling to any specified level. In contrast, in an analytic problem, it is impossible to compute the risk of making a wrong decision. The author provides a number of examples, and pleads for greater care in the writing and teaching of statistical theory and inference.     

Layered supervisory control architecture for reconfigurable automation

The development of control systems and supporting software remains one of the greatest obstacles to the widespread implementation of highly adaptive reconfigurable automation technology. This paper will present the structure of a modular automation control system designed to support rapid reconfiguration and redeployment of automation components. The paper will first present the concept of a layered system architecture and the use of modular automation components to support the construction of a wide variety of automated systems. This layered system architecture is then applied to the proposed modular supervisory control system responsible for configuring and driving automated production resources. Each of the control components comprising this modular control system will be presented.