MODELING TIME-COST TRADE-OFFS IN CPM NETWORKS

A new type of PERT/CPM methodology is introduced whereby the individual activities within a project management network are endowed with resistive and capacitive elements. This methodology will enable us to mathematically define a completion time for the various activities and to relate the completion time to relevant cost in the completion of a particular task. It will also allow us to define the work done, and the rate at which work is being done, in an activity as a function of the applied effort and resource outlay. As a consequence, both the resource expenditure and the work done can be tracked within a network as a function of time.     

Evaluating the Efficacy of the Prodigy Prevention Program across Urban and Rural Locales

Comorbid juvenile offenders are an overlooked, vulnerable population which tend to present with a more diagnostically serious picture. Their arrest rates have dramatically increased over the last 10 years, yet there is a dearth of prevention and intervention programs available. This study examined the effects of the Prodigy Cultural Arts Program on at-risk and adjudicated youth in a rural and an urban locale. Results suggest a significant improvement in family functioning overall as well as statistically significant changes in mental health symptoms including Depression/Anxiety, Somatic, and Suicidal symptoms for both males and females at urban and rural locales. Females appeared to especially benefit from the program. The findings here extend our knowledge regarding viable alternatives for juvenile offenders with mental health symptoms, particularly females.     

A comparative study of successful aging in three Asian countries

The purpose of this research is to examine successful aging in three Asian countries, Indonesia, Sri Lanka and Thailand, using data from the WHO regional studies of Health and Social Aspects of Aging. Successful aging is defined as having no ADL difficulties, and at most, one Nagi difficulty. For the most part, the results are similar to those using more developed populations in that gender, age, no morbid conditions, positive attitude toward one's own aging and the ability to manage money are all correlated with successful aging. An interesting finding is that for the least developed country, Indonesia, being an unskilled worker is significantly associated with increased odds for successful aging. The final section of the paper discusses the theoretical implications regarding a disability transition for elderly populations as countries develop. We also focus on the current political and economic situations in the countries under study, and consider the possible impacts on elderly health.     

Exploring the relationship between poverty,childhood adversity and child abuse from the perspective of adulthood

A recent Australian study of people experiencing poverty, involving in‐depth interviews with 20 participants, suggests that a complex process leading to poverty in adult life can stem from abusive and adverse experiences in childhood. It is considered that these experiences of abuse and adversity may begin a process of ‘negative chain effects’ (Rutter, 2000) resulting in a pathway into poverty caused by ‘accumulated adversity’ (Seth‐Purdie, 2000). The development and maintenance of human capital, defined as the sum of a person's physical, psychological and economic capabilities, are strongly influenced by the extent of adversity experienced over a person's life course, particularly experiences of adversity in early childhood (Seth‐Purdie, 2000). In this paper, the experiences of childhood abuse and adversity reported by the interviewees will be outlined and discussed in the light of theory and research related to development during childhood and adolescence. Copyright © 2007 John Wiley & Sons, Ltd.     

Partnership and participation: contradictions and tensions in the social policy space

Partnerships and participation seem to be the order of the day. Yet, for many community organisations, this way of ordering the social policy space is contradictory, creating practice tensions that increase the complexity of local service systems. Such changes impact community organisations in a politics that needs to be made visible if they are to be able to act in the interests of their members and service users. We therefore outline the social policy space currently constituted by four major discourses: neo‐liberalism, managerialism, new paternalism and network governance as they intersect and interact chaotically, reshaping participation and partnerships between government, community service organisations and local communities. We then examine how policy as a technology or set of mechanisms is discursively creating contradictions and practice tensions within which community organisations engage for social justice.     

The Application of Bioassays in Risk Assessment of Environmental Pollution

Increased contamination of the environment by toxic chemicals has resulted in the need for sensitive assays to be used in risk assessment of polluted sites. Traditional tests are useful to detect and measure concentrations of chemicals in the environment and in tissues. However, physicochemical assays possess deficiencies that impair their use in evaluating complex environmental contamination. We have developed cytogenetic procedures, including chromosomal, micronucleus, and flow cytometric assays, to assess the mutagenic damage of petrochemicals and low-level radioactivity on indigenous terrestrial and aquatic wildlife populations. These procedures are sensitive to the perturbation of DNA that results from exposure to mutagenic contaminants in both field and laboratory studies. The use of natural populations of animals in biomonitoring, combined with traditional chemical assays, will ultimately provide sufficient information to estimate the risk to human health and environmental quality from anthropogenic pollution.     

'Management Standards' work-related stress in the UK: practical development

Research commissioned for the UK's Health & Safety Executive (HSE) supports the view that a preventative, risk-assessment based approach would be more effective than case-based methods in achieving a nationwide reduction in work-related stress. The background to this approach is described and discussed in a companion paper in this issue (Mackay, Cousins, Kelly, Lee, & McCaig, 2004). The present paper describes the development of HSE's new stress Management Standards—which offer organizations continuous improvement through a three-phase stress preventative process—and the development of a supporting 'Indicator Tool' (a two-phase questionnaire to assess employee perceptions of working conditions). The Management Standards comprise a series of 'states to be achieved', which are statements of good practice in six key stressor areas: demands, control, support, relationships, role and organizational change. For each stressor area there is also a 'platform statement' that outlines the main aims to be achieved by the organization. This statement may include a target percentage of employees finding that the organization meets the standard: this matter will be settled after the standards have been assessed in a public consultation campaign. To use the new process, an organization's state can first be assessed using the Indicator Tool; liaising with workers in focus groups enables a further exploration of issues raised; finally, there may be formulation of interventions and subsequent review. It is not intended that the standards will be legally enforceable. HSE's aim is that they and the associated methodology will enable organizations to effectively tackle work-related stress, and subsequently reduce both its incidence and prevalence.