The Campbell Collaboration

This article describes the development, organization, and operation of the Campbell Collaboration, an international network of academics and practitioners who prepare, maintain, and make accessible authoritative systematic reviews of the effectiveness of interventions in the fields of social welfare, education, and criminal justice. The Campbell Collaboration is modeled after the successful Cochrane Collaboration, established in 1993 to produce reviews of the evidence relating to the effectiveness of services in the field of health care. The aim of such reviews is to provide practitioners with a summary of the best available empirical evidence on which to base practice decisions.

Developing Empirically-Based Practice in Probation

This article examines the influence of research on social work practice, with special reference to probation, and argues that in order to maintain their well-earned reputation as providers of defensible alternatives to custody, probation officers need to attend more carefully to the findings of research and to review their practice accordingly. Further, it is argued that managers need to consider the content of practice as well as its structure, if they are to meet the challenges of the present decade. These discussions are placed in the context of an applied research project on one probation team's attempt to adopt a more structured and empirically-based approach to the setting up of a new groupwork programme.

Allocating Blame in Social Work

This article takes issue with those who assume that the responsibility for bad outcomes in social work, such as child deaths, is appropriately laid at the feet of individual workers. It examines the philosophical origins of such arguments, some recent applications within social work literature and their appropriateness to the realities of social work practice. The author argues that a morality of social work must recognize the social and organizational context in which it occurs.

Contemporary Studies of the Effectiveness of Social Work

This article is based upon an analysis of 95 experimental, quasi-experimental, preexperimental and client-opinion studies of the effectiveness of social work. Three-quarters of these screened studies show positive results within their different methodological conventions. An examination is made of which methods and patterns of helping are correlated with positive outcomes and the implications for practice, training, and management explored.

Community Care Services for the Mentally Ill

In this study a broadly representative sample of clients in the City of Westminster, receiving Care in the Community for reasons of mental ill-health, were interviewed regarding their experiences of, and levels of satisfaction with, services provided. The results reveal the vulnerability of services users, the benefits of community care, the high regard the majority have for their helpers, the limitations imposed by scarce resources, and the negative effects of only loose co-ordination between health and social services. Respondents also provide a rich source of data on how services might be improved.

Social work research: the state we’re in

This paper presents an argument in favour of a particular research strategy as the basis for evidence-based practice in social care. It presents some grounds for optimism and reviews the difficulties that need to be overcome if this model of evidence-based practice is to prevail over other, more laissez-faire, versions.

Implications for practice of recent effectiveness research

This article results from an analysis of 95 studies of the effectiveness of social work. The good news from this research, which features a wide range of demanding social problems, is that 75 per cent of results are positive. In this article the authors present their findings and consider their implications for practice.

Late Pleistocene history of turbidite sedimentation in a submarine canyon off the northern Great Barrier Reef, Australia

Cores from slopes east of the Great Barrier Reef (GBR) challenge traditional models for sedimentation on tropical mixed siliciclastic-carbonate margins. However, satisfactory explanations of sediment accumulation on this archetypal margin that include both hemipelagic and turbidite sedimentation remain elusive, as submarine canyons and their role in delivering coarse-grained turbidite deposits, are poorly understood. Towards addressing this problem we investigated the shelf and canyon system bordering the northern Ribbon Reefs and reconstructed the history of turbidite deposition since the Late Pleistocene. High-resolution bathymetric and seismic data show a large paleo-channel system that crosses the shelf before connecting with the canyons via the inter-reef passages between the Ribbon Reefs. High-resolution bathymetry of the canyon axis reveals a complex and active system of channels, sand waves, and local submarine landslides. Multi-proxy examination of three cores from down the axis of the canyon system reveals 18 turbidites and debrites, interlayered with hemipelagic muds, that are derived from a mix of shallow and deep sources. Twenty radiocarbon ages indicate that siliciclastic-dominated and mixed turbidites only occur prior to 31 ka during Marine Isotope Stage (MIS) 3, while carbonate-dominated turbidites are well established by 11 ka in MIS1 until as recently as 1.2 ka. The apparent lack of siliciclastic-dominated turbidites and presence of only a few carbonate-dominated turbidites during the MIS2 lowstand are not consistent with generic models of margin sedimentation but might also reflect a gap in the turbidite record. These data suggest that turbidite sedimentation in the Ribbon Reef canyons, probably reflects the complex relationship between the prolonged period (> 25 ka) of MIS3 millennial sea level changes and local factors such as the shelf, inter-reef passage depth, canyon morphology and different sediment sources. On this basis we predict that the spatial and temporal patterns of turbidite sedimentation could vary considerably along the length of the GBR margin.