Large-scale safety and security incidents typically require the coordinated effort of multiple organisations. A networked organisation is generally seen as the most appropriate structure for coordination within safety and security collaborations. Such networks generally are mixed-sector networks in the sense that the strategic orientations of the contributing organisations differ. Our research ...

BACKGROUND Effective community-partnered and patient-centered outcomes research needs to address community priorities. However, optimal sampling methods to engage stakeholders from hard-to-reach, vulnerable communities to generate research priorities have not been identified. METHODS In two similar rural, largely Hispanic communities, a community advisory board guided recruitment of stakehold...

In this paper we present some preliminary investigations into the development of an active vision system with the aim of developing a real-world model of simple visual behaviour, based upon a control theory 4] view of purposive behaviour. The goal of the system is to control its xation with respect to objects of a relatively complex nature.

Methods Using ethnographic methods, we are exploring how TSCs make decisions regarding trial conduct in a purposive sample of trials across registered trials units in the UK, selected to represent a range of trial designs, interventions and oversight structures. Non-participatory observation of TSCs will be triangulated by follow-up interviews with committee members and evaluations of trial doc...

Participants 61 people living with HIV infection and 12 sexual partners of people living with HIV infection were recruited using a purposive sampling strategy. The sample comprised 22 self described homosexuals, 42 heterosexuals, and 9 bisexuals. The sample also included drug users who had never injected, former and current injecting drug users, regular and infrequent users, and 3 never drug us...

Methods An online survey to a purposive sample of acupuncture practitioners in the EU and China in 2010/2011 requested information on demographic characteristics, training and education, acupuncture practice, conditions commonly treated, perceived gaps in the evidence and where research should next focus. Data were analysed using bivariate statistics in SPSS, with content analysis of qualitativ...

1. Introduction Over the last 50 years, the theory of rational choice has emerged as the dominant paradigm of quantitative research in the social and economic sciences. The idea that individuals make choices by rationally weighing values and uncertainties (or that they ought to, or at least act as if they do) is central to Bayesian methods of statistical inference and decision analysis; the the...