Model selection strategies play an important, if not explicit, role in quantitative research. The inferential properties of these strategies are largely unknown, therefore, there is little basis for recommending (or avoiding) any particular set of strategies. In this paper, we evaluate several...

Background: A validated productivity questionnaire, the Work Productivity and Activity Impairment questionnaire for Gastroesophageal Reflux Disease (WPAI-GERD), exists for Swedish patients with GERD. Objective: To assess responsiveness to change of the WPAI-GERD and construct validity of the...

Limited availability of irrigation water has placed pressure on farmers and water authorities to improve the efficiency of their operations. ‗Modernisation‘ of irrigation infrastructure systems is occurring throughout Australia in order to improve system delivery efficiency and...

SummaryNearly one tenth (8 per cent) of each cohort of school leavers in Northern Ireland experience long spells of unemployment and inactivity (“Status 0â€) between the ages of 16 and 18. This is important because many such young people are likely to end up unemployed and long-term...

The English version of the WPAI-GERD showed good cross-sectional construct validity, and results indicated that the WPAI-GERD is responsive to change. Although the results also indicated that longitudinal construct validity may be poor, the overall findings suggest that further study of the...

The Woodrising farming business has developed from a grazing operation based on a relatively small soldier settlement block in Northern Tasmania. The expansion and diversification has entailed: Purchase of additional land. Leasing land for cropping, for short (seasonal) and long (3-5 year)...

This paper argues that until about 10 years ago the caring role of the nurse was restricted primarily to the biological functioning of the patient. The more recent concern with communication and patient 'psychology' in the nursing literature suggests that nursing has succeeded, through this...

To date, the tools used to assessthe status of untouchability have been divided by discipline—human rights, legal and social science. Although significant contributions toward understanding untouchability have been made in each of these areas, it is difficult to comprehend the scope and...

Using two longitudinal and nationally representative datasets, this study employs a cross-cohort analysis to examine age, cohort and period effects in the prevalence of sleep loss through worry for people over the age of 50 in the UK. The likelihood of reporting sleep loss through worry is...

This paper briefly describes how the genealogical method, as derived from Foucault's work, might be used to explore the problem of chronic illness. The genealogical method is differentiated from other qualitative methods, from epidemiology, and from the history of ideas. Finally, the particular...